''Argyresthia flexilis'' is a
moth of the family
Yponomeutidae first described by Hugh Avery Freeman in 1960. It is found in the United States in northern
Montana and probably the adjacent parts of
Canada.
The
wingspan is about 11 mm. The forewings are yellowish white and the hindwings are smoky. Adults are on wing in late June.
The larvae feed on ''
Pinus flexilis''.
HOSTS - a Database of the World's Lepidopteran Hostplants
/ref> Late instar larvae tie needles into a bundle and mine
Mine, mines, miners or mining may refer to:
Extraction or digging
* Miner, a person engaged in mining or digging
*Mining, extraction of mineral resources from the ground through a mine
Grammar
*Mine, a first-person English possessive pronoun
...
two or more of them, starting below the middle of the needle, and mining toward the apex. The frass
Frass refers loosely to the more or less solid excreta of insects, and to certain other related matter.
Definition and etymology
''Frass'' is an informal term and accordingly it is variously used and variously defined. It is derived from the ...
is ejected through the mine entrance. Full-grown larvae construct a new bundle within which pupation takes place in a dense, white cocoon.
References
Moths described in 1960
Argyresthia
Moths of North America
{{Yponomeutidae-stub