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Catalogue number: Drawer 28
Wallace's specimens of stick and leaf insects, a stag-horned deer-fly and other insects from Asia.
This drawer of Wallace's south-east Asian insect specimens is
one that was restored from a jigsaw of broken limbs and bodies. The
result is a magnificent display of 31 individuals, among which are
stick and leaf insects (Phasmida), praying mantids (Mantodea),
bush-crickets and grasshoppers (Orthoptera), and ants (Hymenoptera:
Formicidae).
Looking carefully at the middle-right of this drawer you can see a
tiny fly. This is from a group of flies (genus Phytalmia)
found in New Guinea and Australia. The males have extraordinary
projections from their heads, which look almost like the antlers of
deer. Males use these 'antlers' in combat. They guard the
places where females lay their eggs on rotting logs and fight other
males that land there.
In Wallace's book The Malay Archipelago (1869) he notes that the flies 'are about half an inch long, slender-bodied, and with very long legs, which they draw together so as to elevate their bodies high above the surface they are standing upon...the horns spring from beneath the eye, and seem to be a prolongation of the lower part of the orbit. In the largest and most singular species, named Elaphomia cervicornis or the stag-horned deer-fly, these horns are nearly as long as the body...' The specimen in this drawer is a male of the stag-horned deer-fly (Phytalmia cervicornis), collected by Wallace on Waigeo Island, Irian Jaya. There is a woodcut on page 502 of the book captioned 'antlered flies'.
For enquiries about the Wallace Collection please email the library
View high resolution scans and transcripts of Alfred Russel Wallace's correspondence, including all surviving letters between him and Charles Darwin.
