Eleodes
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Eleodes is a genus of darkling beetles in the family Tenebrionidae. They are endemic to western North America, ranging from southern Canada to central Mexico, with many species found along the Mexico-
Eleodes armata Ueda
Elytron
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An elytron is a modified, hardened forewing of beetles, though a few of the true bugs such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra, and in
Eleodes
…typically found in the arid desert regions of their range, but can also be found in forests and grasslands. All Eleodes species are flightless as their elytra are fused together and their second pair of wings is very reduced and vestigial. Most members of the genus Eleodes are primarily detrivores feeding on…
The elytra of this cockchafer beetle are readily distinguished from the transparent hindwings.
Ripiphorus fasciatus-complex, female
Hemelytra in Schizopteridae; figures B and C are considered "coleopteroid" as they lack membrane.