Dimorphopteryx
Ashmead, 1898
Dimorphopteryx is a of in the , established by Ashmead in 1898. The genus is documented from the northeastern United States, particularly Vermont. As a member of the sawfly family Tenthredinidae, in this genus possess the characteristic unmodified waist between and that distinguishes sawflies from other . The genus name refers to the markedly different between sexes ( ).
Identification
Distinguished from other by pronounced in : females possess fully developed wings, while males have reduced or wings. This wing is the primary diagnostic feature for the genus. Additional identification requires examination of antennal structure and .
Distribution
Documented from the northeastern United States, specifically Vermont. Distribution records are sparse and likely incomplete due to undercollection of males, which are wingless and rarely encountered.
Similar Taxa
- Other Tenthredinidae generaDimorphopteryx is distinguished by its extreme sexual ; most have winged males, whereas Dimorphopteryx males are wingless or have highly reduced wings.