Life On A Quarter Acre

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Insecta
Diptera
Brachycera
Orthorrhaphan Flies
Tangleveined and Small-headed Flies
Small-headed Flies

Acroceridae (Small-headed Flies)

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I've only seen one small-headed fly in the yard. But it was a beauty!

The larvae are endoparasitoids of spiders.

Panopinae: Eulonchus tristis (Dusky Sapphire), 11 June 2020

Here's a video that explains the macabre lifestyle of flies in this family.

Links: iNaturalist

Eulonchus tristis
(Dusky Sapphire)

11 Jun 2020
View on iNaturalist

A Jeweled Spider Fly in subfamily Panopinae (tarantula flies) Identified by Merrill Peterson, author of Pacific Northwest Insects ZooKeys: Jewelled spider flies of North America (Diptera, Acroceridae) ...

Genera

Array ( [0] => Array ( [href] => [img] =>

[label] =>
Eulonchus (1) [name] => Eulonchus [count] => 1 [cmnm] =>
(North American Jewelled Spider Flies) ) ) Array ( [0] => Array ( [href] => [img] =>

[label] =>
Eulonchus (1) [name] => Eulonchus [count] => 1 [cmnm] =>
(North American Jewelled Spider Flies) ) )

Eulonchus (1)
(North American Jewelled Spider Flies)