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Psilocurus birdi is in the subfamily Laphystiinae with Laphystia. We have several Laphystia and one other Psilocurus species, nudiusculus, which has some yellow color in those small antennae. P. birdi is a bit larger than an Atomosia and resembles them except for the more prominent stripes on the heavier abdomen. Atomosia is a head down percher. Psilocurus usually perches horizontally as here. Laphystia and Psilocurus have wider spacing between the eyes than the Atomosia. I think we can quit taking Psilocurus birdi shots after these. Same individual above and below. Acting like a male but looks female. |
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Psilocurus nudiusculus is the other species in this genus here and in the east. The other species in this genera are all in the southwest or in the west central region. This is the female, with Norm observing some sexual behavior. Males slam against the females after hovering like Promachus bastardii. It is a quick event apparently. But he was able to note how sexually dimorphic this species is. Note the golden abdomen of the female above and the banded abdomen of the male below. Also compare with P. birdii which has much darker legs and may not be so dimorphic. |
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