Ectemnius scaber
(Lepeletier de Saint Fargeau & Brullé, 1835)
Ectemnius scaber is a of square-headed in the Crabronidae. It is found in North America. The species has two recognized : Ectemnius scaber rufescens and the nominate Ectemnius scaber scaber.
Pronunciation
How to pronounce Ectemnius scaber: /ɛkˈtɛmniəs ˈskeɪbər/
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Identification
Members of the Ectemnius can be distinguished from the similar-looking genus Anacrabro by the underside of the : Ectemnius has a less concave or flatter abdominal underside compared to the very concave underside seen in Anacrabro. Ectemnius are also generally -hunters rather than hunters.
Distribution
North America. Distribution records include Canada, specifically Ontario.
Similar Taxa
- Anacrabro ocellatusVery similar in general appearance (small, black and ), but distinguished by the very concave underside of the in Anacrabro versus the flatter underside in Ectemnius. Anacrabro also hunts () exclusively, while Ectemnius are primarily -hunters.
- LesticaSimilar-looking in the same tribe Crabronini, distinguished by abdominal structure and preferences.
- CrabroSimilar-looking in the same tribe Crabronini, distinguished by abdominal structure and preferences.
More Details
Subspecies
Two are recognized: Ectemnius scaber rufescens Krombein, 1954 and Ectemnius scaber scaber (Lepeletier de Saint Fargeau & Brullé, 1835).