Leaf miner, Jacob's ladder - Coleophora polemoniella

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Twirler Moths and kin (Gelechioidea) » Casebearer Moths (Coleophoridae) » Coleophorinae » Coleophora » Silk Casebearers (Coleophora Silk Casebearers) » Coleophora polemoniella - Hodges#1306 (Coleophora polemoniella)

Photo#1455832

Copyright © 2017 John van der Linden

Leaf miner, Jacob's ladder - Coleophora polemoniella

Yellow River State Forest, Allamakee County, Iowa, USA
October 15, 2017

Detail, mines

For this image, I peeled back the outer layer of leaf tissue to expose a dark oval object inside the mine (at upper left)...a dead larva maybe but it's impossible to tell for sure

It almost looks like their might be two separate mines in this image...a thin, tortuous whitish mine (right side of image) and a broader, fainter mine (left side of image)

Will have to keep an eye out next year so as to sort this out.

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Leaf miner, Jacob's ladder - Coleophora polemoniella

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Contributed by John van der Linden on 16 October, 2017 - 3:00pm
Last updated 16 October, 2017 - 6:45pm

Moved

Moved from Unidentified Leaf Mines.

Not sure what the mine on the left might be.

… Charley Eiseman, 16 October, 2017 - 6:45pm

Braun 1919

Describing Coleophora palemoniella for the first time, in 1919, Annette Braun wrote: "The larva is yellow and makes a very fine whitish transparent thread-like mine, much contorted, which at last encloses in outline a slightly flattened ellipse,--that portion of the leaf which is to be cut out to form the case. The portion cut out measures 2 mm. by 1 mm. This piece, in which the parenchyma is not consumed, forms the foundation for the case." (p. 128)

Descriptions of New Species of Coleophora (Microlepidoptera)
Braun, Annette F.
Entomological News 30-31: 1919-1920
pp. 127-131

Available here:
https://babel.hathitrust.org/cgi/pt?id=mdp.39015032054002;view=1up;seq=1

… John van der Linden, 16 October, 2017 - 3:56pm

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