|
Megalodontesidae
The Megalodontesidae (until recently spelled Megalodontidae, a name already in use for a family of fossil molluscs) are a small family of sawflies, containing a single living genus, ''Megalodontes'', with some 40 species restricted to the temperate regions of Eurasia. Larvae of Megalodontesidae feed on herbaceous plants. They are distinguished from the closely related Pamphiliidae by their serrate or pectinate antennae. In 2016, a phylogenetic analysis of the superfamily Pamphilioidea found that the extinct family Praesiricidae was paraphyletic with respect to Megalodontesidae, so Praesiricidae was proposed as a synonym of Megalodontesidae. Genera As of 2016, the following genera belong to the family Megalodontesidae, divided into four subfamilies: * Subfamily Megalodontesinae (synonym: Rudisiriciinae ) ** †'' Aulidontes'' ** †'' Jibaissodes'' ** ''Megalodontes'' ** †'' Rudisiricius'' * Subfamily Archoxyelydinae ** †'' Archoxyelyda'' ** †'' Xyelydontes'' * Su ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pamphilioidea
The Pamphilioidea are a small superfamily within the Symphyta (the sawflies), containing some 250 living species restricted to the temperate regions of Eurasia and North America. These hymenopterans share the distinctive feature of a very large, almost prognathous head, which is widest ventrally. The superfamily contains two extant families. The Pamphiliidae are the leaf-rolling or web-spinning sawflies such as ''Acantholyda'', ''Neurotoma'', and '' Pamphilius'' whose larvae eat plants such as conifers; the adults have simple filiform antennae. The Megalodontesidae include genera such as ''Megalodontes'' and several fossil groups. Their larvae eat herbaceous plants, while the adults have serrate or pectinate antennae. References Bibliography * , in Zhang, Z.-Q. (ed.) Animal Biodiversity: An Outline of Higher-level Classification and Survey of Taxonomic Richness (Addenda 2013) * Rasnitsyn, Alexandr P.; Zhang, Haichun & Wang, Bo (2006): Bizarre fossil insects: web-spinnin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megalodontidae
Megalodontidae is an extinct family of bivalve molluscs that reportedly lived from the Devonian to the Jurassic period. Nomenclature A family of insects was also previously called "Megalodontidae", containing the sawfly genus ''Megalodontes''. In order to remove the homonymy, that family has been renamed Megalodontesidae. Genera *†'' Conchodon'' *†'' Gemmellarodus'' di Stefano, 1912 *†''Megalodon'' Sowerby, 1827 *†''Neomegalodon ''Neomegalodon'' is an extinct genus of bivalve molluscs belonging to the family Megalodontidae. Species *†'' Neomegalodon cornutus'' Yao et al. 2007 *†'' Neomegalodon triqueter'' Wulfen 1793 Fossil record Fossils of ''Neomegalodon'' have ...'' Guembel, 1864 *†'' Pachyrisma'' *†'' Protomegalodon'' *†'' Pterocardia'' Bayan, 1874 *†'' Quemocuomegalodon'' Yao et al. 2003 *†'' Rhaetomegalodon'' *†'' Triadomegalodon'' Vegh-Neubrandt, 1974 References Bivalve families Prehistoric mollusc families Devonian first appearan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megalodontes
''Megalodontes'' is a genus of sawflies within the Symphyta belonging to the family Megalodontesidae The Megalodontesidae (until recently spelled Megalodontidae, a name already in use for a family of fossil molluscs) are a small family of sawfly, sawflies, containing a single living genus, ''Megalodontes'', with some 40 species restricted to the ... subfamily Megalodontesinae. Description ''Megalodontes'' species are quite rare sawflies with a shiny black body and narrow pale yellow stripes on the abdomen. The head is large, the antennae are pectinate and the wings are reddish. These species are restricted to the temperate regions of Eurasia. Species * '' Megalodontes bucephalus'' (Klug, 1824) * '' Megalodontes capitalatus'' Konow, 1904 * '' Megalodontes cephalotes'' (Fabricius, 1781) * '' Megalodontes dusmeti'' Enslin, 1914 * '' Megalodontes eversmanni'' (Freymuth, 1870) * '' Megalodontes fabricii'' (Leach, 1817) * '' Megalodontes flabellicornis'' (Germar, 1825) * '' Megalo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sawflies
Sawflies are the insects of the suborder Symphyta within the order Hymenoptera, alongside ants, bees, and wasps. The common name comes from the saw-like appearance of the ovipositor, which the females use to cut into the plants where they lay their eggs. The name is associated especially with the Tenthredinoidea, by far the largest superfamily in the suborder, with about 7,000 known species; in the entire suborder, there are 8,000 described species in more than 800 genera. Symphyta is paraphyletic, consisting of several basal groups within the order Hymenoptera, each one rooted inside the previous group, ending with the Apocrita which are not sawflies. The primary distinction between sawflies and the Apocrita – the ants, bees, and wasps – is that the adults lack a "wasp waist", and instead have a broad connection between the abdomen and the thorax. Some sawflies are Batesian mimics of wasps and bees, and the ovipositor can be mistaken for a stinger. Sawflies vary in le ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sawfly
Sawflies are the insects of the suborder Symphyta within the order Hymenoptera, alongside ants, bees, and wasps. The common name comes from the saw-like appearance of the ovipositor, which the females use to cut into the plants where they lay their eggs. The name is associated especially with the Tenthredinoidea, by far the largest superfamily in the suborder, with about 7,000 known species; in the entire suborder, there are 8,000 described species in more than 800 genera. Symphyta is paraphyletic, consisting of several basal groups within the order Hymenoptera, each one rooted inside the previous group, ending with the Apocrita which are not sawflies. The primary distinction between sawflies and the Apocrita – the ants, bees, and wasps – is that the adults lack a "wasp waist", and instead have a broad connection between the abdomen and the thorax. Some sawflies are Batesian mimics of wasps and bees, and the ovipositor can be mistaken for a stinger. Sawflies vary in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sawfly Families
Sawflies are the insects of the suborder Symphyta within the order Hymenoptera, alongside ants, bees, and wasps. The common name comes from the saw-like appearance of the ovipositor, which the females use to cut into the plants where they lay their eggs. The name is associated especially with the Tenthredinoidea, by far the largest superfamily in the suborder, with about 7,000 known species; in the entire suborder, there are 8,000 described species in more than 800 genera. Symphyta is paraphyletic, consisting of several basal groups within the order Hymenoptera, each one rooted inside the previous group, ending with the Apocrita which are not sawflies. The primary distinction between sawflies and the Apocrita – the ants, bees, and wasps – is that the adults lack a "wasp waist", and instead have a broad connection between the abdomen and the thorax. Some sawflies are Batesian mimics of wasps and bees, and the ovipositor can be mistaken for a stinger. Sawflies vary in lengt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pamphiliidae
Pamphiliidae (sometimes incorrectly spelled Pamphilidae) is a small wasp family within Symphyta, containing some 200 species from the temperate regions of North America and Eurasia. The larvae feed on plants (often conifers), using silk to build webs or tents, or to roll leaves into tubes in which they feed, thus earning them the common names leaf-rolling sawflies or web-spinning sawflies. Some species are gregarious and the larvae live in large groups. Fossils of Pamphiliidae have been dated to the Jurassic period. They are distinguished from the closely related Megalodontesidae by their simple, filiform antennae. Taxonomy The family is currently divided into three subfamilies based on phylogenetic analysis of both extant and extinct species. *Cephalciinae Benson, 1945 **''Acantholyda'' Costa, 1894 **''Caenolyda'' Konow, 1897 **'' Cephalcia'' Panzer, 1805 **'' Chinolyda'' Beneš, 1968 *Juralydinae **†'' Atocus'' Scudder, 1892 **†'' Juralyda'' Rasnitsyn, 1977 **''Neurotoma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Incertae Sedis
' () or ''problematica'' is a term used for a taxonomic group where its broader relationships are unknown or undefined. Alternatively, such groups are frequently referred to as "enigmatic taxa". In the system of open nomenclature, uncertainty at specific taxonomic levels is indicated by ' (of uncertain family), ' (of uncertain suborder), ' (of uncertain order) and similar terms. Examples *The fossil plant '' Paradinandra suecica'' could not be assigned to any family, but was placed ''incertae sedis'' within the order Ericales when described in 2001. * The fossil '' Gluteus minimus'', described in 1975, could not be assigned to any known animal phylum. The genus is therefore ''incertae sedis'' within the kingdom Animalia. * While it was unclear to which order the New World vultures (family Cathartidae) should be assigned, they were placed in Aves ''incertae sedis''. It was later agreed to place them in a separate order, Cathartiformes. * Bocage's longbill, ''Motacilla boc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
.jpg "Click for more on -> Pamphilioidea")
_larvae.jpg "Click for more on -> Sawflies")
