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California Native Plant Society
in collaboration with East Bay Municipal Utility District
Flies
Poppy details
(All photos and writing from May Chen's Pollinator Post from Bringing Back the Natives website).
(S) notes those found at Skyline Trail
female margined calligrapher
Female Margined Calligrapher Hoverfly
Toxomerus marginatus (S)
Female Oblique Streak Tail Hoverfly-
Allograpta obliqua (S)
Heading 5
Gravid Female Oblique Streak Tail Hoverfly-
Allograpta obliqua (S)

Female laying eggs Eggs are deposited singly, so that the larvae that hatch out will not have to compete for food.
short haired leafwalker
Short-haired Leafwalker Hoverfly
Chalcosyrphus piger (family Syrphidae)
black footed drone fly
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