Eucera douglasiana (Cockerell, 1906)
  Apoidea   Apidae   Eucera
Subgenus: Synhalonia

IDnature guide
Extracted from: Timberlake P.H., (1969). A Contribution to the Systematics of North America Species of Synhalonia (Hymenoptera, Apoidea). University of California Publications in Entomology Volume 57

This is a little-known species and I have seen only the type. It is very similar to the female of edwardsii but differs in the broader white bands of the abdomen. The band on the second tergite covers almost the entire segment, receding slightly from the apical margin across the middle and showing no black across the base as in edwardsii. The bands on two following segments cover somewhat more than the apical depression, with the long, overlying hairs entirely pallid.

Scientific source:

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Updated: 2019-11-20 14:33:01 gmt
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