Elachista leucosticta Braun 1948

Elachista leucosticta new species (Figs. 89, 89a.)
Head shining dark yellowish gray; palpi dark brown, whitish inwardly and above; antennae dark brown. Thorax and fore wing dark brown; on the middle of the dorsum an irregular white spot reaching the middle of the wing, indented on the fold with a suggestion of a black plical spot (stigma) ; at twothirds of costa an oblique white bar to middle of wing and a little beyond it, a smaller and triangular tornal spot; extreme tip of wing white; cilia dark gray, with the scales around apex very elongate and scarcely contrasting with the cilia. Hind wings and cilia dark brownish gray. Legs dark brown, with a broad white band on hind tibiae ; tips of segments white.
Alar expanse : 6.5 mm.
Male genitalia (figs. 89, 89a) : uncus deeply divided, lobes narrow elongate, with short stiff setae on upper half only ; gnathos, two elongate elliptical knobs, each borne on a long arm ; costal area of harpe expanded, free process small, sacculus reduced, basal processes rather short, club-shaped, with a few scattered setae; anellus lobes curved, deeply concave laterally; vinculum triangular; aedeagus short, tapering to a point, no cornutus.
Type. — $, Constance Bay, Ontario, 21. VI. 1933 (G. S. Walley), [C. N. Coll., Type No. 5744].
Food plant and early stages unknown. By the male genitalia, this species is allied to the European serricontis Stainton.