Elachista sylvestris

Elachista sylvestris
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Elachistidae
Genus:	Elachista
Species:	E. sylvestris
Binomial name
	Elachista sylvestris; Braun, 1920

Elachista sylvestris is a moth of the family Elachistidae. It is found in the United States, where it has been recorded from Maine, Ohio, Illinois and New Hampshire.[1]

The wingspan is 8–8.5 mm. The forewings are blackish brown with a faint golden brown luster. There is a silvery patch at the base of the wing, a silvery fascia just before the middle, a silvery tornal spot and a costal silvery spot. The hindwings are dark brown. Adults have been recorded on wing from May to July.

The larvae feed on Poa sylvestris. They mine the stem leaves of their host plant. The mine starts as an inconspicuous linear mine along the margin of the leaf. The larva vacates this mine, entering a leaf near the tip and mining downward, consuming most of the parenchyma. This second mine is extends across the leaf blade. Mining larvae can be found in April and early May. The larvae are pale yellow.[2]

References

Moth Photographers Group. "Elachista sylvestris – 1110". Mississippi Entomological Museum. Retrieved 2022-12-10.
Annette F. Braun (1948). Elachistidae of North America (Microleptidoptera). Memoirs of the American Entomological Society. Vol. 13. Philadelphia: American Entomological Society. pp. 67–68.

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[1] Moth Photographers Group. "Elachista sylvestris – 1110". Mississippi Entomological Museum. Retrieved 2022-12-10.

[2] Annette F. Braun (1948). Elachistidae of North America (Microleptidoptera). Memoirs of the American Entomological Society. Vol. 13. Philadelphia: American Entomological Society. pp. 67–68.