Brachyserphus
Hellén, 1941
Species Guides
2Brachyserphus is a of small in the Proctotrupidae, established by Hellén in 1941. The genus occurs in both the Palearctic and Nearctic regions. A 2019 taxonomic revision documented North American , recording B. acuticaudatus in Canada for the first time and excluding B. parvulus from the Nearctic fauna. Species-level identification requires examination of subtle morphological characters.
Pronunciation
How to pronounce Brachyserphus: /ˌbrækɪˈsɜrfəs/
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Identification
Nearctic can be distinguished using the key provided by Kozlov (2019), which relies on characters of the , mesosoma, and metasoma. The is characterized within Proctotrupidae by features of the wing venation and body proportions, though specific diagnostic traits require microscopic examination.
Distribution
Recorded from Scandinavia (Denmark, Norway, Sweden) and North America. In North America, documented from Canada and the United States, with B. acuticaudatus representing the first Canadian record for the in the Nearctic Region.
Similar Taxa
- OxyserphusClosely related proctotrupid ; historical confusion reflected in synonymy of Oxyserphus clypeatus with Brachyserphus rugatus
More Details
Taxonomic history
Kozlov (2019) proposed new synonymy: Oxyserphus clypeatus (Ashmead, 1893) = Brachyserphus rugatus (Townes, 1981)
Data limitations
Published literature for this focuses on and distribution; biological and ecological data remain undocumented in primary sources