''Drosophila testacea'' is a member of the ''testacea'' species group of ''

Drosophila ''Drosophila'' () is a genus of flies, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or (less frequently) pomace flies, vinegar flies, or wine flies, a reference to the characteristic of many species ...

''. Testacea species are specialist fruit flies that breed on the fruiting bodies of mushrooms. ''Drosophila testacea'' can be found in temperate regions of Europe, extending to east Asia. ''Drosophila testacea'' and '' Drosophila orientacea'' can produce viable hybrids, though they are separated by geography and behavioural barriers. ''Drosophila testacea'' females will also readily mate with ''

Drosophila neotestacea ''Drosophila neotestacea'' is a member of the ''testacea'' species group of ''Drosophila''. Testacea species are specialist fruit flies that breed on the fruiting bodies of mushrooms. These flies will choose to breed on psychoactive mushrooms s ...

'' males, but viable hybrids are never produced. This hybrid inviability (see Haldane's rule)) may be due to selfish X chromosomes and co-evolved suppressors. Alternately, differences in sex pheromone (e.g. vaccenyl acetate) reception could underlie female readiness and male willingness to copulate. The

antimicrobial peptide Antimicrobial peptides (AMPs), also called host defence peptides (HDPs) are part of the innate immune response found among all classes of life. Fundamental differences exist between prokaryotic and eukaryotic cells that may represent targets for a ...

gene '' Diptericin B'' has been pseudogenized in ''D. testacea'' and likely its sister species ''D. neotestacea''.

References

{{Taxonbar, from=Q13598336

testacea Testacea may refer to: * a former order of rhizopods, which consisted of testate amoeboid organisms. * a former group of shelled molluscs and other invertebrates, created by Linnaeus and roughly corresponding to the colloquial term '' seashell'' ...

Insects described in 1992

See also

References