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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Curculionoidea » Snout and Bark Beetles (Curculionidae) » Bark and Ambrosia Beetles (Scolytinae) » Corthylini » Pityophthorina » Pityophthorus
Photo#1784605
Scolytini - Pityophthorus - female
Copyright © 2020 Glen Forister

Scolytini - Pityophthorus - Female
E. of Lund and E. of White Pine Co Rd 95. 38.83715, -114.8211. Mount Grafton Wilderness area on the slopes of Molly's Nipples., White pine County, Nevada, USA
August 2, 2017
Size: 2.2 mm
White Light trap, 560 lumens, battery powered.
Pinyon juniper woodlands.

Keyed to Gnathotrichus in both Arnett (1) & Mercado (2).

I could not find a match in BG so I hoped somebody could help me on the right track.

Pictures --
-- Hind Tibia
-- Looking at front of the pronotum showing dentition and hairs over head.
-- The end of the elytra with the declivity and the small knobs around it.
-- -Head with emargination for antenna.
-- Antennae with 2 procurved lines and antennal segments.

Study = GBBL PJ, Sample 73_FF
Danielle C. Miles collector.

Images of this individual: tag all
Scolytini - Pityophthorus - female Scolytini - Pityophthorus - female Scolytini - Pityophthorus - female Scolytini - Pityophthorus - female Scolytini - Pityophthorus - female Scolytini - Pityophthorus - female Scolytini - Pityophthorus - female
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Contributed by Glen Forister on 3 March, 2020 - 4:01pm
Last updated 5 March, 2020 - 4:54pm

Moved
Moved from Bark and Ambrosia Beetles.

Female.
Possibly P. tuberculatus.

Side note: that's one heck of a collecting locality name! On the slopes of Molly's Nipples. Ha!!
… Marc DiGirolomo, 5 March, 2020 - 12:59pm login or register to post comments

 
Thanks
I missed the "symetrical / asymetrical" part of couplet. The antennae are definitely asymetrical. The other parts of that couplet were vague. Glad I posted a good view of the antenna.

Originally put this comment on the wrong image...
… Glen Forister, 5 March, 2020 - 4:58pm login or register to post comments

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