Ectobius is a genus of non-cosmopolitan cockroaches once thought native to the Old World and described by James Francis Stephens in 1835, belonging to the family Ectobiidae, subfamily Ectobiinae. The discovery of 4 ectobius cockroaches in Colorado dating to 49 million years ago suggests the genus actually originated in North America. This genus has been subject to a number of revisions.
GENUS
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Ectobius is a genus of non-cosmopolitan cockroaches once thought native to the Old World and described by James Francis Stephens in 1835, belonging to the family Ectobiidae, subfamily Ectobiinae. The discovery of 4 ectobius cockroaches in Colorado dating to 49 million years ago suggests the genus actually originated in North America. This genus has been subject to a number of revisions.
==Description== thumb|210px|right|Ectobius species – Nymph The adult 'cockroaches' reach of length, the basic coloration of their body is mostly brown or yellowish, with a clearer margin.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).