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Photo#194094
Mystery tiny caterpillar - Waldheimia carbonaria

Mystery tiny caterpillar - Waldheimia carbonaria
Mankato, Blue Earth County, Minnesota, USA
June 23, 2008
Size: 2-3 mm
I have an outbreak of these little guys on Missouri Primrose. Coloration is due to diet. If they've been eating flowers, they're yellow instead of green.

another genus for the guide --thanks!
no adults yet, tho...

Moved from Unidentified Sawfly Larvae.

Tenthredinidae, Blennocampinae
Waldheimia carbonaria (Cresson). Adults of this species were reared from larvae on Missouri primrose in Maryland. The larvae are identical to the larva in this picture.

Moved

This is rather the larva of a sawfly.
The fact that you have identified the foodplant should help the experts identify the species.

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