Sphenometopa

Townsend, 1908

Species Guides

2

Sphenometopa is a of flesh flies (Sarcophagidae) in the Miltogramminae, established by Townsend in 1908. Members of this genus are flies, with larvae that develop in the nests of solitary bees and . The genus is part of a diverse group of kleptoparasitic or parasitoid sarcophagids that exploit the provisions of insects rather than carrion.

Pronunciation

How to pronounce Sphenometopa: /ˌsfɛnoʊˈmɛtoʊpə/

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Distribution

Records indicate presence in the Nearctic region, with observations from western North America including the southwestern United States and Mexico.

Host Associations

  • solitary bees (Apoidea) - larvae develop in nests
  • solitary wasps - larvae develop in nests

Life Cycle

Females deposit larvae near or into nests. Larvae are that consume the host's provisioned food stores and often the host larva itself.

Behavior

are known to be attracted to nesting . Females exhibit oviposition targeting open or accessible host .

Ecological Role

Acts as a regulating of solitary bees and . Contributes to nutrient cycling within and wasp nesting .

Human Relevance

May occasionally impact of native , but no significant economic or medical importance documented.

Similar Taxa

  • MiltogrammaSimilar (Miltogramminae) and lifestyle; distinguished by and chaetotaxy patterns
  • SenotainiaOverlapping associations and ; requires examination of male terminalia and structure for separation

More Details

Taxonomic history

Townsend originally described Sphenometopa in 1908. The has been maintained within Miltogramminae based on larval and morphological characters, though -level revision is needed.

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Sources and further reading