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Predator Larva

Predator Larva
Mountain Meadows Reservoir area next to Westwood, elevation 5050ft, Lassen County, California, USA
August 2, 2019
Size: 4mm stretched out
I found this larva, alone, inside a Manzanita Leaf Gall - related to species Tamalia coweni, an Aphid species (1). There were many such galls on the bush, but most were devoid of living aphids except for the dark remains of aphid skins.

Any further ID help for this larva is much appreciated - thank you.

The gall, linked below, collected at the same time, did have a small colony of aphids which may be also viewed:

Images of this individual: tag all
Predator Larva Predator Larva Predator Larva

Moved tenatively....
... base on suggested BugGuide link.

Moved from ID Request.

Maybe Chamaemyiidae, based on
Maybe Chamaemyiidae, based on photos like:

... possibly so; I have posted one Chamaemyiidae fly (possibly a Leucopis sp.) here on BugGuide, from the same local:

I should look for more of these larva, since the Manzanita galls are quite common; and try rearing some to adults.

Syrphidae? They are major aph
Syrphidae? They are major aphid predators. But that's just a guess.

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