Elachista? on Chasmanthium latifolium - Elachista brachyelytrifoliella - BugGuide.Net

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Twirler Moths and kin (Gelechioidea) » Grass Miner Moths (Elachistidae) » Elachistinae » Elachista » saccharella species group (Elachista saccharella species group) » Elachista brachyelytrifoliella - Hodges#1132 (Elachista brachyelytrifoliella)

Photo#1170007

Copyright © 2015 Michael W. Palmer

Elachista? on Chasmanthium latifolium - Elachista brachyelytrifoliella

Mehan, Payne County, Oklahoma, USA
November 30, 2015
Size: 4mm adult

Leaf with larva collected 12 November. larva emerged and pupated 13 November. Adult emerged some time prior to 30 November. All photos taken 30 November (which explains the decay in the leaf with the mine).

Browsing through microleps.org makes me suspect E. (Dicranoctetes) brachyelytrifoliella - due to the radial pattern at the end of the forewing, as well as the statement "The pupa of one species, Dicranoctetes brachyelytrifoliella, is adorned laterally with spiky cuticular projections."

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Elachista? on Chasmanthium latifolium - Elachista brachyelytrifoliella

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Contributed by Michael W. Palmer on 30 November, 2015 - 5:27pm
Last updated 4 April, 2018 - 8:00am

Moved

Moved from saccharella species group.

… Charley Eiseman, 4 April, 2018 - 8:01am

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Parasitoid

from a mine collected on 9/7/15:

… Charley Eiseman, 22 January, 2016 - 7:46pm

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Moved

Moved from Unidentified Leaf Mines.

Same species group, but more likely E. uniolae, which is recorded from Chasmanthium [Uniola] latifolium. Species in this group can't be distinguished without examining the genitalia. I sent my one moth from Missouri off to Canada to have this done, and I plan to send one of your Oklahoma ones too, but if you haven't already sent your Mompha to Terry, you might ask if he'd be willing to examine this one too. E. unioliae, incidentally, wasn't separated from E. brachyelytrifoliella until 1999. E. brachyelytrifoliella, as now defined, is not known to feed on Chasmanthium. Another species, E. hedionella, was also split off from E. brachyelytrifoliella; it feeds on Muhlenbergia (but E. brachyelytrifoliella does also feed on Muhlenbergia, as well as on Brachyelytrum).

… Charley Eiseman, 2 December, 2015 - 9:02am

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