Ectemnius ruficornis

(Zetterstedt, 1838)

square-headed wasp

Ectemnius ruficornis is a of square-headed wasp in the Crabronidae. It is a solitary, that constructs underground nests. The species has two recognized : E. r. ruficornis (Zetterstedt, 1838) and E. r. taiwanus Tsuneki, 1968. It has been recorded across Europe, Northern Asia, North America, and Southern Asia.

Ectemnius ruficornis by (c) Owen Strickland, some rights reserved (CC BY), uploaded by Owen Strickland. Used under a CC-BY license.

Pronunciation

How to pronounce Ectemnius ruficornis: /ɛkˈtɛmniəs ˌruːfɪˈkɔrnɪs/

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Identification

Members of the Ectemnius can be distinguished from similar-looking such as Anacrabro, Lestica, and Crabro by the less concave underside of the . The specific epithet 'ruficornis' refers to reddish , though this trait should be verified for this specifically.

Images

Distribution

Europe and Northern Asia (excluding China); North America; Southern Asia. The E. r. taiwanus occurs in Taiwan.

Similar Taxa

Anacrabro ocellatusSimilar appearance but has a very concave underside of the , whereas Ectemnius has a less concave abdomen
LesticaSimilar appearance in the tribe Crabronini; distinguished by abdominal structure
CrabroSimilar appearance in the tribe Crabronini; distinguished by abdominal structure