The buffalo treehopper (''Stictocephala bisonia'') is a
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of
treehopper
Treehoppers (more precisely typical treehoppers to distinguish them from the Aetalionidae) and thorn bugs are members of the family Membracidae, a group of insects related to the cicadas and the leafhoppers. About 3,200 species of treehoppers i ...
belonging to the subfamily
Smiliinae
Smiliinae is a subfamily of treehoppers in the family Membracidae. These are bugs and include about 100 genera (and 4 unorganized genera) in 10 tribes, most which are found in the Americas, with the exception of the tribe Ceresini which has Pa ...
. It is sometimes
classified
Classified may refer to:
General
*Classified information, material that a government body deems to be sensitive
*Classified advertising or "classifieds"
Music
*Classified (rapper) (born 1977), Canadian rapper
* The Classified, a 1980s American ro ...
as ''Ceresa bisonia''.
Distribution
This species is native to
North America
North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
, but now it is widespread throughout southern Europe and it is also present in the
Near East
The Near East () is a transcontinental region around the Eastern Mediterranean encompassing the historical Fertile Crescent, the Levant, Anatolia, Egypt, Mesopotamia, and coastal areas of the Arabian Peninsula. The term was invented in the 20th ...
and in
North Africa
North Africa (sometimes Northern Africa) is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region. However, it is sometimes defined as stretching from the Atlantic shores of t ...
.
Appearance
Buffalo treehoppers are a bright green color and have a somewhat triangular shape that helps
camouflage
Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see, or by disguising them as something else. Examples include the leopard's spotted coat, the b ...
them so as to resemble
thorns or a
twig
A twig is a thin, often short, branch of a tree or Bush (plant), bush.
The buds on the twig are an important diagnostic characteristic, as are the abscission scars where the leaves have fallen away. The color, texture, and patterning of the t ...
gy protuberance.
[John A. Jackman,Bastiaan M. Drees - A Field Guide to Common Texas Insects - Taylor Trade Publishing] It gets its name from the vague resemblance of its profile to that of an
American bison
The American bison (''Bison bison''; : ''bison''), commonly known as the American buffalo, or simply buffalo (not to be confused with Bubalina, true buffalo), is a species of bison that is endemic species, endemic (or native) to North America. ...
.
They grow to 6 to 8 millimeters (0.24 to 0.31 in) long and have transparent wings.
Life cycle
''S. bisonia'' mates during the summer months.
Males attract females with a song that, unlike similar songs used by
cicada
The cicadas () are a superfamily, the Cicadoidea, of insects in the order Hemiptera (true bugs). They are in the suborder Auchenorrhyncha, along with smaller jumping bugs such as leafhoppers and froghoppers. The superfamily is divided into two ...
and
cricket
Cricket is a Bat-and-ball games, bat-and-ball game played between two Sports team, teams of eleven players on a cricket field, field, at the centre of which is a cricket pitch, pitch with a wicket at each end, each comprising two Bail (cr ...
s, is perceived by the female not as sound waves but as vibrations through the host plant.
Females lay
egg
An egg is an organic vessel grown by an animal to carry a possibly fertilized egg cell (a zygote) and to incubate from it an embryo within the egg until the embryo has become an animal fetus that can survive on its own, at which point the ...
s from July to October using a blade-like
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 typica ...
.
Up to a dozen eggs are laid in each slit made by the female.
Nymphs
A nymph (; ; sometimes spelled nymphe) is a minor female nature deity in ancient Greek folklore. Distinct from other Greek goddesses, nymphs are generally regarded as personifications of nature; they are typically tied to a specific place, land ...
emerge from the eggs the following May or June.
The nymphs, which resemble wingless adults, but have a more spiny appearance, descend from the trees where they hatched to feed on
grass
Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family (biology), family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos, the grasses of natural grassland and spe ...
es,
weed
A weed is a plant considered undesirable in a particular situation, growing where it conflicts with human preferences, needs, or goals.Harlan, J. R., & deWet, J. M. (1965). Some thoughts about weeds. ''Economic botany'', ''19''(1), 16-24. Pla ...
s, and other non
woody plant
A woody plant is a plant that produces wood as its structural tissue and thus has a hard stem. In cold climates, woody plants further survive winter or dry season above ground, as opposed to Herbaceous plant, herbaceous plants that die back to t ...
s.
They
molt
In biology, moulting (British English), or molting (American English), also known as sloughing, shedding, or in many invertebrates, ecdysis, is a process by which an animal casts off parts of its body to serve some beneficial purpose, either at ...
several times in the following month and a half until they have reached adulthood.
Then they return to the trees to continue their
life cycle
Life cycle, life-cycle, or lifecycle may refer to:
Science and academia
*Biological life cycle, the sequence of life stages that an organism undergoes from conception to reproduction
*Life-cycle hypothesis, in economics
*Erikson's stages of psy ...
.
Feeding
Both adult and immature buffalo treehoppers feed upon
sap
Sap is a fluid transported in the xylem cells (vessel elements or tracheids) or phloem sieve tube elements of a plant. These cells transport water and nutrients throughout the plant.
Sap is distinct from latex, resin, or cell sap; it is a s ...
using specialized mouthparts suited for this purpose.
Black locust
''Robinia pseudoacacia'', commonly known as black locust, is a medium-sized hardwood deciduous tree, belonging to the tribe Robinieae of the legume family Fabaceae. It is native to a few small areas of the United States, but it has been widely pl ...
,
clover
Clovers, also called trefoils, are plants of the genus ''Trifolium'' (), consisting of about 300 species of flowering plants in the legume family Fabaceae originating in Europe. The genus has a cosmopolitan distribution with the highest diversit ...
,
elm
Elms are deciduous and semi-deciduous trees comprising the genus ''Ulmus'' in the family Ulmaceae. They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical- montane regions of North America and Eurasia, ...
,
goldenrod
Goldenrod is a common name for many species of flowering plants in the sunflower family, Asteraceae, commonly in reference to the genus ''Solidago''.
Several genera, such as ''Euthamia'', were formerly included in a broader concept of the genu ...
, and
willow
Willows, also called sallows and osiers, of the genus ''Salix'', comprise around 350 species (plus numerous hybrids) of typically deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions.
Most species are known ...
are among their favorite food sources.
It is also an occasional
pest of
fruit tree
A fruit tree is a tree which bears fruit that is consumed or used by animals and humans. All trees that are flowering plants produce fruit, which are the ripened ovaries of flowers containing one or more seeds. In horticultural usage, the te ...
s and is harmful to young
orchard
An orchard is an intentional plantation of trees or shrubs that is maintained for food production. Orchards comprise fruit tree, fruit- or nut (fruit), nut-producing trees that are generally grown for commercial production. Orchards are also so ...
trees, especially
apple trees
An apple is a round, edible fruit produced by an apple tree (''Malus'' spp.). Fruit trees of the orchard or domestic apple (''Malus domestica''), the most widely grown in the genus, are agriculture, cultivated worldwide. The tree originated ...
.
It has become an
invasive species
An invasive species is an introduced species that harms its new environment. Invasive species adversely affect habitats and bioregions, causing ecological, environmental, and/or economic damage. The term can also be used for native spec ...
in some parts of
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
.
Bibliography
* Alberto Alma et al., Particularities of Polynema striaticorne as egg parasite of Stictocephala bisonia (Rhynchota: Auchenorrhyncha), 6th Auchenorrhyncha Meeting Turin, 1988, pp. 597–603.
* Arzone, C. Vidano, A. Alma Auchenorrhyncha introduced into Europe from the Nearctic region: taxonomic and phytopathological problems. Proceedings of 2nd International Workshop on Leafhoppers and Planthoppers of Economic Importance : Brigham Young University, Provo, Utah, USA, 28 July-1 August 1986: 3-17
* D. D. Kopp, Yonke, T. R., Taxonomic Status of the Buffalo Treehopper and the Name Ceresa bubalus, in Annals of the Entomological Society of America, vol. 70, no. 6, 1977, pp. 901–905
* Gabriel Simões de Andrade (1997): Stictocephala alta (Walker, 1851) sp. rev., comb. n., the Correct Name for the "Buffalo Treehopper", with S. bisonia Kopp & Yonke, 1977 as a New Synonym, and Notes on Hadrophallus bubalus (Fabricius, 1794) comb. n. (Homoptera: Membracidae). Transactions of the American Entomological Society Vol. 123, No. 4: 289-295.
* Gabriel Simões de Andrade (2008): On the synonymy of Stictocephala alta (Walker) and Thelia constans Walker (Hemiptera: Membracidae). Revista Brasileira de Zoologia 25 (1): 148–149
* P. Bovey & H. Leuzinger (1938): Présence en Suisse de Ceresa bubalus F., Membracidae nuisible d’origine américaine. Bulletin de la Société Vaudoise des sciences naturelles 60: 193–200
* W. V. Balduf: Observations on the buffalo tree-hopper Ceresa bubalus Fabr. (Membracidae, Homoptera) and the bionomics of an egg parasite, Polynema striaticorne Girault (Mymaridae, Hymenoptera). Annals of the Entomological Society of America, 1928, 21(3):419-435.
References
External links
*
Vertdeterre Catalogue of life*
*
{{Taxonbar, from=Q486537
Smiliinae
Insects described in 1977
Hemiptera of North America
Hemiptera of Europe