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Project Noah Nature School
Tremex columba
Large, cigar-shaped wasp, brown with black and yellow markings. Females have an ovipositor and are larger in size.
Found on a sunflower (Helianthus annuus) in a vast vacant lot with grasses, yucca, prickly-pear cacti, elm trees adjacent to a riparian area with cottonwood trees.
This is one of the horntail woodwasps in the family Siricidae.
Spotted on Aug 18, 2012
Submitted on Jan 10, 2013
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