Habronattus americanus female
Habronattus americanus female
Habronattus americanus female
Habronattus americanus female
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Habronattus americanus female

Habronattus americanus female

Every time we’ve seen Habronattus americanus, we’ve seen both males and females in the same location. Wayne Maddison, University of British Columbia, confirmed the female identification from my photos. (See Maddison Jumping Spider Courtship.)

Photos 1 and 2 show a female photographed at Blue Mountain, about 6,000 feet. In photo 1, she has prey. Note that while the female’s eyes look slightly oval, that’s because of a dark “eye shadow” under her eyes, which is common to some jumping spiders. Also note that these photos are slightly yellower because of a color cast in a sun diffuser I used.

The female in photo 5 has a heleomyzid fly. (Thanks to bugguide and Dr. Matthias Buck for identification of the fly.)

Females have different patterns on dorsal surface of the abdomen (2, 6). Three more females from above: 1 | 2 | 3
I don’t know if the pattern persists between molts, however.