Diathrausta

a Crambidae moth, Diathrausta, photo © by M. Plagens

This moth was attracted to collecting lights in Florida Canyon, Sta. Rita Mountains, Arizona, USA. 28 July 2013. Wingspan is about 9 mm.

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Cramidae are called "snout moths" because of a pair of enlarged palps (mouth parts) that project forward from the head. There are USA two species of Diathrausta, D. harlequinalis and D. reconditalis, but a photo alone is not sufficient to distinguish them apart.

Many kinds of moths can be attracted to ultraviolet or mercury-vapor lights set up in sycamore canyons from July through September. The specimen shown here has alighted on the hair of collector! A typical set up with a bevy of collectors in rapt attention is shown below.

Crambidae -- a Moth Family

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light setup for collection of moths at night

Arizona Naturalist
Sycamore Canyons
Invertebrates in Arizona's Sycamore Canyons


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Copyright Michael J. Plagens, page created 25 August 2014