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unknown larva - Depressaria

unknown larva - Depressaria
Savary Island, British Columbia, Canada
June 27, 2012
On seed head of cow parsnip growing in open grass 50 m from coast line

Images of this individual: tag all
unknown larva - Depressaria unknown larva - Depressaria

Moved from ID Request.
These two photos don't seem to show the same larva, but I gather they are both Depressaria.

This is Depressaria sp. (Depressariidae), I don't know which one.

Is there a black form of Depressaria pastinacella?
We see the greenish/yellow form with black dots and a black head quite commonly here in Port Alberni, but I've never seen a black one. Could this be a melanic form or something else that just happens to be on the same seed head?

Derressaria larva
These larvae were feeding on a Heracleum maximum . Depressaria pastinacella?

Could be
Depressaria pastinacella probably is the most likely ID for a Depressaria found feeding on this plant, but the Northwest is a center of Depressaria diversity, and I don't know that we have sorted out just who feeds on what. The best bet for getting a conclusive ID would be to rear it to adult.

Depressaria larva
Thanks.There are several host plants growing within walking distance of our cabin and I'll hunt for more lava in June.

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