Metallic Green Sweat Bee

Subject: Green Orchid Bee
Location: 76016 Arlington, TX
November 29, 2014 2:50 pm
This was taken today in Arlington, TX. We’ve seen several of these today humming around the garden. Temps are unseasonably warm, but will cool down tomorrow.
Signature: Lisa Parisot

Metallic Green Sweat Bee
Metallic Green Sweat Bee

Dear Lisa,
To the best of our knowledge, the Green Orchid Bee is not found in Arlington, Texas.  It is an introduced species and according to BugGuide it is a member of a:  “neotropical group, with 1 sp. established in so. FL and recorded from southernmost TX (Brownsville)”
  This is a Metallic Green Sweat Bee in the subfamily Halictinae, and you can read more about them on BugGuide where it states:  “Most species nest in burrows in banks or in the ground (Augochlora uses partially rotten logs). Some are primitively eusocial; in such cases usually a female guards the entrance to the burrow by plugging it with her head. Generally the main burrow is vertical; it sends horizontal branches, each branch ending in a solitary cell.”  It can be very difficult to identify Metallic Green Sweat Bees to the genus or species level from images. 

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