Eusapyga
Cresson, 1880
Eusapyga is a of in the , a group of cleptoparasitic wasps that exploit the nests of other solitary and wasps. The genus was established by Ezra Cresson in 1880. Members of this genus are found in North America. Like other sapygids, they are likely , though -level biology remains poorly documented.
Pronunciation
How to pronounce Eusapyga: //juːˈsæpɪɡə//
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Identification
Eusapyga can be distinguished from the related Sapyga by subtle differences in and structure. Sapygid generally have a compact body with a narrow (wasp waist), black coloration often with or markings, and relatively short . Definitive identification to genus requires examination of microscopic characters.
Images
Distribution
North America, with records primarily from the western United States.
Host Associations
- Megachile - Sapygid are of Megachile and other solitary ; specific records for Eusapyga are limited.
Behavior
As , females likely enter nests and on or near the host's provisioned pollen mass. The resulting consumes the host's food stores, typically killing the host egg or larva.
Ecological Role
of solitary ; regulator of bee .
Human Relevance
No direct economic significance. Occasionally encountered by researchers and solitary bee nest observers.
Similar Taxa
- SapygaClosely related in the same ; distinguished by and male characters.
- FedtschenkiaAnother sapygid ; distinguished by geographic distribution and structural features.
More Details
Taxonomic note
The Eusapyga is one of several genera in the small (~80 worldwide). The family is considered within the superfamily , which also includes the (Anthophila).