2019 in paleoentomology is a list of new
fossil insect taxa that were
described during the year 2019, as well as other significant discoveries and events related to
paleoentomology
The most recent understanding of the evolution of insects is based on studies of the following branches of science: molecular biology, insect morphology, paleontology, insect taxonomy, evolution, embryology, bioinformatics and scientific computing ...
that were scheduled to occur during the year.
New taxa
Coleopterans
Dictyopterans
Dipterans
Hemipterans
Hymenopterans
Mecopterans
Neuropterans
Odonatans
Orthopterans
Phasmatodea
Plecopterans
Strepsipterans
Thysanoptera
Trichopterans
Other insects
General research
* A study aiming to estimate the taxonomic diversity of insects in deep time is published by Schachat ''et al.'' (2019).
* A study on the phylogenetic relationships of the
Carboniferous
The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...
insect ''
Stephanastus polinae'' is published by Beutel, Yan & Kukalová-Peck (2019).
* A study on the age and depositional environment of the Xiaheyan insect fauna (
Ningxia,
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
) is published online by Trümper ''et al.'' (2019).
* A study on 240-million-year-old insect fossils from the Mount San Giorgio
Lagerstätte (
Switzerland
). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
–
Italy), evaluating their implications for the knowledge of the time scale of insect evolution, is published by Montagna ''et al.'' (2019).
* A study on insect fossils from the
Upper Triassic Laohugou Formation (
Hebei,
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
) is published by Huang ''et al.'' (2019).
* The earliest evidence of exophytic
oviposition
The ovipositor is a tube-like organ used by some animals, especially insects, for the laying of eggs. In insects, an ovipositor consists of a maximum of three pairs of appendages. The details and morphology of the ovipositor vary, but typical ...
(eggs laid directly on the outer surface of plants) known so far, in the form of insect eggs (probably produced by
roachoids) preserved on plant fossils, is reported from the
Carboniferous
The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...
(
Gzhelian
The Gzhelian ( ) is an age in the ICS geologic timescale or a stage in the stratigraphic column. It is the youngest stage of the Pennsylvanian, the youngest subsystem of the Carboniferous. The Gzhelian lasted from to Ma. It follows the Kasim ...
) of the Saale Basin (
Germany) by Laaß & Hauschke (2019).
* A study on the frequency and diversity of damage types caused by insect oviposition in plants from the
Upper Triassic Yangcaogou Formation,
Middle Jurassic
The Middle Jurassic is the second epoch of the Jurassic Period. It lasted from about 174.1 to 163.5 million years ago. Fossils of land-dwelling animals, such as dinosaurs, from the Middle Jurassic are relatively rare, but geological formations co ...
Jiulongshan Formation
The Haifanggou Formation (), also known as the Jiulongshan Formation (), is a fossil-bearing rock deposit located near Daohugou () village of Ningcheng County, in Inner Mongolia, northeastern China.
The formation consists of coarse conglomerates ...
and
Lower Cretaceous Yixian Formation (
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
), assessing the degree of plant host specificity, is published by Lin ''et al.'' (2019).
* A study on the plant specimens (ferns, gymnosperms and angiosperms) from the
Lower Cretaceous Araripe Basin (
Brazil) preserving evidence of plant–insect interactions and potentially of paleoecological relationships between plants and insects is published by Edilson Bezerra dos Santos Filho ''et al.'' (2019).
* Leaves of members of the family
Nymphaeaceae
Nymphaeaceae () is a family of flowering plants, commonly called water lilies. They live as rhizomatous aquatic herbs in temperate and tropical climates around the world. The family contains nine genera with about 70 known species. Water li ...
preserving evidence of insect herbivory are reported from the
Albian Utrillas Formation
Utrillas is a municipality located in the province of Teruel, Aragon, Spain. According to the 2004 census (INE
INE, Ine or ine may refer to:
Institutions
* Institut für Nukleare Entsorgung, a German nuclear research center
* Instituto Nacion ...
(
Spain) by Estévez-Gallardo ''et al.'' (2019).
* A study on changes in insect and plant communities across the
Paleocene–
Eocene boundary within the Hanna Basin (
Wyoming,
United States) is published by Azevedo Schmidt ''et al.'' (2019).
* A study on insect
pupation structures from the
Campanian dinosaur nesting site at the Egg Mountain locality (
Two Medicine Formation;
Montana,
United States) is published by Freimuth & Varricchio (2019).
* Redescription and a study on the phylogenetic relationships of a
Permian orthoptera
Orthoptera () is an order of insects that comprises the grasshoppers, locusts, and crickets, including closely related insects, such as the bush crickets or katydids and wētā. The order is subdivided into two suborders: Caelifera – grassho ...
n ''
Vologdoptera maculata'' is published by Aristov & Gorochov (2019).
* A study on the phylogenetic relationships of the
Paleocene orthopteran ''
Hylophalangopsis chinensis'' is published by Wang ''et al.'' (2019).
* 308-million-years-old female
palaeodictyopteran
nymphs, preserving large pointing structures interpreted as
ovipositor
The ovipositor is a tube-like organ used by some animals, especially insects, for the laying of eggs. In insects, an ovipositor consists of a maximum of three pairs of appendages. The details and morphology of the ovipositor vary, but typical ...
s, are described from the Piesberg quarry in northwestern
Germany by Kiesmüller ''et al.'' (2019).
* A study on the anatomy of immature stages and adult specimens of members of Palaeodictyopterida, evaluating its implications for different hypotheses about lifestyle strategies of these insects, is published by Prokop ''et al.'' (2019).
* A revision of
phyloblattid and
compsoblattid blattodeans from the
Carboniferous
The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...
(
Kasimovian
The Kasimovian is a geochronology, geochronologic age (geology), age or chronostratigraphy, chronostratigraphic stage (stratigraphy), stage in the International Commission on Stratigraphy, ICS geologic timescale. It is the third stage in the Penn ...
) of the Souss basin (southwestern
High Atlas mountains,
Morocco) is published by Belahmira ''et al.'' (2019).
* A fossil
ootheca resembling those of extant
mantises is described from the
Cretaceous amber from
Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
by Li & Huang (2019).
* An assemblage of 14
dictyoptera
Dictyoptera (from Greek δίκτυον ''diktyon'' "net" and πτερόν ''pteron'' "wing") is an insect superorder that includes two extant orders of polyneopterous insects: the order Blattodea (termites and cockroaches together) and the ord ...
ns is reported from the
Santonian
The Santonian is an age in the geologic timescale or a chronostratigraphic stage. It is a subdivision of the Late Cretaceous Epoch or Upper Cretaceous Series. It spans the time between 86.3 ± 0.7 mya (million years ago) and 83.6 ± 0.7 mya. The ...
amber from Yantardakh (
Taymyr Peninsula,
Russia) by Vršanský (2019).
* A study on the anatomy and life habits of
alienoptera
Alienopteridae is an extinct family of dictyopterans, known from the Mid-Cretaceous to Eocene. They are noted for their unusual combination of features not found in other dictyopterans.
Taxonomy
It was originally assigned to its own order Alie ...
ns is published by Wipfler ''et al.'' (2019).
* A redescription of a female and a description of a male of the
parvaverrucosid species ''
Parvaverrucosa
''Parvaverrucosa'' is an insect genus in the extinct, monotypic family Parvaverrucosidae, of the order Hemiptera. It contains the monotypic species ''Parvaverrucosa annulata'' known from the Cenomanian aged Burmese amber
Burmese amber, also k ...
annulata'' from the Cretaceous amber from Myanmar is published by Węgierek, Cai & Huang (2019).
* A gregarious assemblage of
protopsyllidioids belonging to the genus ''
Postopsyllidium'' is reported from a single piece of the Cretaceous amber from Myanmar by Hakim, Azar & Huang (2019).
* A redescription of the fossil
water strider species ''
Aquarius lunpolaensis'' based on new specimens from the Lunpola and Nima basins of central
Tibet is published by Cai ''et al.'' (2019).
* New specimens of ''
Mesodiphthera grandis'' are described from the
Norian
The Norian is a division of the Triassic Period. It has the rank of an age (geochronology) or stage (chronostratigraphy). It lasted from ~227 to million years ago. It was preceded by the Carnian and succeeded by the Rhaetian.
Stratigraphic defi ...
insect locality at Dinmore (
Queensland,
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
) by Lambkin (2019), who interprets this taxon as a
hairy cicada and the oldest known
cicada reported so far.
* Revision of members of extinct
cicadomorphan family
Hylicellidae from the Norian
Mount Crosby Formation (Queensland, Australia) is published by Lambkin (2019).
* A group of
heteroptera
The Heteroptera are a group of about 40,000 species of insects in the order Hemiptera. They are sometimes called "true bugs", though that name more commonly refers to the Hemiptera as a whole. "Typical bugs" might be used as a more unequivocal al ...
n
nymphs preserved together with their eggs, including two nymphs caught in the act of hatching, is described from the
Dominican amber
Dominican amber is amber from the Dominican Republic derived from resin of the extinct tree ''Hymenaea protera''.
Dominican amber differentiates itself from Baltic amber by being nearly always transparent, and it has a higher number of fossil incl ...
by Hörnig, Fischer & Haug (2019).
* A female specimen of the
myopsocid species ''
Myopsocus arthuri'' is described from the
Dominican amber
Dominican amber is amber from the Dominican Republic derived from resin of the extinct tree ''Hymenaea protera''.
Dominican amber differentiates itself from Baltic amber by being nearly always transparent, and it has a higher number of fossil incl ...
by Hakim ''et al.'' (2019).
* A study on the phylogenetic relationships of fossil
ichneumonid
The Ichneumonidae, also known as the ichneumon wasps, Darwin wasps, or ichneumonids, are a family (biology), family of parasitoid wasps of the insect order Hymenoptera. They are one of the most diverse groups within the Hymenoptera with roughly 2 ...
wasps is published by Klopfstein & Spasojevic (2019), who transfer the species ''"
Plectiscidea" lanhami'' to the genus ''
Allomacrus''.
* A fossilized hind wing of a member of the family Ichneumonidae is described from a
Calabrian sandstone from
Madeira
)
, anthem = ( en, "Anthem of the Autonomous Region of Madeira")
, song_type = Regional anthem
, image_map=EU-Portugal_with_Madeira_circled.svg
, map_alt=Location of Madeira
, map_caption=Location of Madeira
, subdivision_type=Sovereign st ...
by Góis-Marques ''et al.'' (2019).
* Revision of fossil
figitids from the Late Eocene of
Florissant (
United States) and from the Oligocene–Miocene boundary of Rott-am-Siebengebirge (
Germany) is published by Pujade-Villar & Peñalver (2019).
* A study on the evolutionary history of
colletid bees belonging to the group
Neopasiphaeinae, as indicated by phylogenetic,
biogeographic and paleontological data, is published by Almeida ''et al.'' (2019).
* The first
corydalid larva preserved with gut contents is described from the Lower Cretaceous
Yixian Formation (
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
) by Zhao ''et al.'' (2019).
* Seed of the
ginkgoalean ''
Yimaia capituliformis'' with damage interpreted as likely oviposition lesions inflicted by a
kalligrammatid lacewing
The insect order Neuroptera, or net-winged insects, includes the lacewings, mantidflies, antlions, and their relatives. The order consists of some 6,000 species. Neuroptera can be grouped together with the Megaloptera and Raphidioptera in t ...
is described from the
Middle Jurassic
The Middle Jurassic is the second epoch of the Jurassic Period. It lasted from about 174.1 to 163.5 million years ago. Fossils of land-dwelling animals, such as dinosaurs, from the Middle Jurassic are relatively rare, but geological formations co ...
Jiulongshan Formation
The Haifanggou Formation (), also known as the Jiulongshan Formation (), is a fossil-bearing rock deposit located near Daohugou () village of Ningcheng County, in Inner Mongolia, northeastern China.
The formation consists of coarse conglomerates ...
(
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
) by Meng ''et al.'' (2019).
* A long-necked neuropteran larva, preserving a unique combination of anatomical characters present in various neuropterans families, is described from the Cretaceous amber from
Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
by Haug ''et al.'' (2019).
* A larval lacewing with unusually large mandibulo-maxillary piercing stylets is described from the Cretaceous amber from Myanmar by Haug, Müller & Haug (2019).
* A neuropteran larva with prominent curved stylets is described from the Cretaceous amber from Myanmar by Haug, Müller & Haug (2019).
* A late
instar strepsipteran larva, probably belonging to the genus ''
Mengea'', is described from the
Eocene Baltic amber by Pohl ''et al.'' (2019).
* A review of plants, fungi and animals found associated with fossil beetles from Myanmar,
Dominican and
Mexican amber
Mexican amber, also known as Chiapas Amber is amber found in Mexico, created during the Early Miocene and middle Miocene epochs of the Cenozoic Era in southwestern North America. As with other ambers, a wide variety of taxa have been found as inc ...
is published by
Poinar (2019).
* A study on the phylogenetic relationships of ''
Tunguskagyrus'' is published by Beutel, Yan & Lawrence (2019).
* A study on the phylogenetic relationships of ''
Leehermania prorova'' is published online by Fikáček ''et al.'' (2019).
* Extremely miniaturized insects interpreted as larvae of beetles belonging to the family
Ripiphoridae and the subfamily
Ripidiinae are described from the Cretaceous amber from Myanmar by Batelka ''et al.'' (2019).
* A male specimen of the
monotomid beetle species ''
Cretakarenni birmanicus'' is described from the Cretaceous amber from Myanmar by Jiang, Liu & Wang (2019).
* A protrusible prey-capture apparatus is reported in two
stenine rove beetles from the
Cretaceous amber from
Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
(a specimen of ''
Festenus gracilis'' and a specimen representing a new species of ''Festenus'') by Cai ''et al.'' (2019).
* The first case of aggregation behaviour of the rove beetle ''
Clidicostigus arachnipes'' is reported from the Cretaceous amber from Myanmar by Yin & Zhuo (2019).
* Six well-preserved specimens of the
silvanid beetle ''
Protoliota'', confirming the presence of remarkable
sexual dimorphism in this genus, are reported from the Cretaceous amber from Myanmar by Cai & Huang (2019).
* A study on the phylogenetic relationships of extant and fossil members of the
scarab beetle subfamily
Aclopinae
Aclopinae is a subfamily of Scarabaeidae or scarab beetles in the superfamily Scarabaeoidea
Scarabaeoidea is a superfamily of beetles, the only subgroup of the infraorder Scarabaeiformia. Around 35,000 species are placed in this superfamily an ...
is published by Neita‐Moreno ''et al.'' (2019).
* A
flower chafer
Flower chafers are a group of scarab beetles, comprising the subfamily Cetoniinae. Many species are diurnal and visit flowers for pollen and nectar, or to browse on the petals. Some species also feed on fruit. The group is also called fruit an ...
belonging to the tribe
Trichiini is described from the
Baltic amber by Alekseev (2019), representing the earliest fossil record of the tribe Trichiini and the first known flower chafer in Baltic amber.
* Two beetle larvae with unusually large terminal end compared to that in extant forms, identified as representatives of
Scraptiidae
The family Scraptiidae is a small group of tenebrionoid beetles sometimes called false flower beetles. There are about 400 species in 30 genera with a world-wide distribution. The adults are found on flowers, sometimes in large numbers, but are a ...
, are described from the
Eocene Baltic amber by Haug & Haug (2019).
* A study comparing extant beetle fauna from
Maungatautari
Maungatautari is a mountain, rural community, and ecological area near Cambridge in the Waikato region in New Zealand's central North Island.
The New Zealand Ministry for Culture and Heritage gives a translation of "mountain of the upright ...
(
New Zealand) with the late
Holocene beetle assemblage from two central
North Island
The North Island, also officially named Te Ika-a-Māui, is one of the two main islands of New Zealand, separated from the larger but much less populous South Island by the Cook Strait. The island's area is , making it the world's 14th-largest ...
fossil sites is published by
Watts
Watts is plural for ''watt'', the unit of power.
Watts may also refer to:
People
*Watts (surname), list of people with the surname Watts Fictional characters
*Watts, main character in the film '' Some Kind of Wonderful''
*Watts family, six chara ...
''et al.'' (2019).
* Poisonous
setae are identified in a small caterpillar from the Eocene
Baltic amber by
Poinar & Vega (2019).
* A revision of putative fossil members of the family
Hepialidae is published by Simonsen, Wagner & Heikkilä (2019).
* A study on the
holotype specimen of the
Late Jurassic acrocerid fly ''
Archocyrtus
''Archocyrtus'' is an extinct genus of small-headed flies in the family Acroceridae. The genus is known from compression fossils from the Late Jurassic Karabastau Formation of Kazakhstan. The genus is the only member of the subfamily Archocyrtinae ...
kovalevi'' is published by Khramov & Lukashevich (2019), who report evidence of an extremely long
proboscis, almost twice the length of the body of this insect.
* A study on the phylogenetic relationships of extant and fossil acrocerid flies is published by Gillung & Winterton (2019).
* A study on the phylogenetic relationships of the
Cretaceous members of the family
Ceratopogonidae is published by Borkent (2019).
* A study on the morphology and phylogenetic relationships of ''
Lebanoculicoides daheri'', as indicated by data from a male specimen from the Cretaceous
Lebanese amber, is published by Borkent (2019).
* The first record of
chironomid larva from amber, comparable to larvae of modern representatives of the genus ''
Bryophaenocladius
''Bryophaenocladius'' is a genus of European non-biting midges in the subfamily Orthocladiinae of the bloodworm family (Chironomidae
The Chironomidae (informally known as chironomids, nonbiting midges, or lake flies) comprise a family of nem ...
'', is reported from the
Eocene Baltic amber by Baranov ''et al.'' (2019).
References
{{Reflist, 30em
2019 in paleontology
Paleoentomology