Semium

Reuter, 1876

Species Guides

Semium is a of plant bugs in the Miridae, tribe Semiini, Phylinae. The genus contains seven described distributed across North America from Canada to Mexico. One species, Semium brailovskyi, has been documented in association with the plant Euphorbia misera (Euphorbiaceae). The genus was established by Reuter in 1876.

Semium subglabrum by (c) Even Dankowicz, some rights reserved (CC BY), uploaded by Even Dankowicz. Used under a CC-BY license.

Semium subglabrum by (c) Andrew Meeds, some rights reserved (CC BY), uploaded by Andrew Meeds. Used under a CC-BY license.

Semium by (c) Steven Bodzin, some rights reserved (CC BY), uploaded by Steven Bodzin. Used under a CC-BY license.

Pronunciation

How to pronounce Semium: /ˈsɛ.mi.um/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Semium can be distinguished from related using genitalic characters, particularly male genitalia structure. Species-level identification relies on detailed examination of patterns, coloration, and male genital . An updated key to all seven species is available in taxonomic literature.

Images

Distribution

North America: Canada (S. hirtum), United States, and Mexico (S. brailovskyi in Baja California Norte; S. villosum). Specific associations are poorly documented except for S. brailovskyi, which occurs in association with Euphorbia misera.

Host Associations

Euphorbia misera - plantDocumented for S. brailovskyi only

Similar Taxa

Other Phylinae generaSemium belongs to tribe Semiini; differentiation requires examination of male genitalia and pretarsal structures