Trimmer's Mining Bee vs Large Oak Cynipid

Side-by-side species comparison

Attribute Trimmer's Mining Bee Large Oak Cynipid
Scientific Name Andrena trimmerana Cynips quercusfolii
Order Hymenoptera Hymenoptera
Family Andrenidae Cynipidae
Size 10-12 mm 2.5–4 mm
Habitat Grasslands Woodlands
Diet Nectar Feeders Herbivores
Regions Europe Europe
Conservation Least Concern Not Evaluated

Trimmer's Mining Bee

A widespread spring mining bee with brownish-grey fur and a distinctive tooth on the hind femur. It forages on a wide range of early-blooming flowers.

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Did You Know?

The small femoral tooth on its hind leg distinguishes it from nearly all other European Andrena species.

Large Oak Cynipid

A gall wasp that induces cherry-sized galls on the undersides of oak leaves. The galls turn from green to red as they mature in autumn.

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Did You Know?

The colorful galls were historically known as 'oak cherries' and were sometimes mistaken for real fruit by children.