Square Headed Snakefly

Subject: long and skinny with aft spike
Location: San Francisco peninsula, California
March 19, 2016 5:02 pm
This fellow was resting on a west-facing screen door late afternoon yesterday, Mar. 18, 2016, in thevon the San Francisco peninsula. Maybe an inch long. Seemed lethargic.
Signature: cwr

Square Headed Snakefly
Square Headed Snakefly

Dear cwr,
We believe that based on this BugGuide image, your Snakefly is a Square Headed Snakefly in the genus
Negha.  The “aft spike” is an ovipositor, indicating this is a female.

Leave a Comment