. Annual report of the Maine Agricultural Experiment Station . men has come to light each season,these being collected at Orono Sept. 12, T913, and July 6, 1914. Theyare of the typical dark form and marking with the facial lines darkand the elytral markings well defined. Deltocephalus configiiratus Uhler. Deltocephalus configiiratus Uhler. U. S. Geol. and Geog. Sur. Bull. 1871. 4 : 511-Deltocephalus configuratus Van Duzee. Buf. Soc. Nat. His. Bui. 4 : configuratus Osborn and Ball. Pr. la. Acad. Sci. Vol. IV, p. 209 (1897). Light ashy gray, the head with two darker transverse
. Annual report of the Maine Agricultural Experiment Station . men has come to light each season,these being collected at Orono Sept. 12, T913, and July 6, 1914. Theyare of the typical dark form and marking with the facial lines darkand the elytral markings well defined. Deltocephalus configiiratus Uhler. Deltocephalus configiiratus Uhler. U. S. Geol. and Geog. Sur. Bull. 1871. 4 : 511-Deltocephalus configuratus Van Duzee. Buf. Soc. Nat. His. Bui. 4 : configuratus Osborn and Ball. Pr. la. Acad. Sci. Vol. IV, p. 209 (1897). Light ashy gray, the head with two darker transverse bands and thelast ventral segment with a black polished central spur. Length S 4 mm.$ mm. Quite abundant in timothy meadows and grassland at Orono as adults,Aug. 5 to 29th, X. Harpswell Aug. 12, common in meadow and pasture,Portland Aug. 13, common in meadow near salt marsh, Portland (River-ton Pk.) Aug. 14. common in meadow, Highmoor Farm Aug. 15, com-mon in meadow and pasture, Mt. Katahdin Aug. 21, 1913, on tableland4500 ft. LEAFHOPPERS OF MAINE. 123. Fig. 25. Deltocephalus coiifiguratus: a, Adult; b, face; c, vertexand pironotum; d, female genitalia; e, male genitalia; /, wing; g, enlarged. (After Osborn and Ball.) The Destructive Leafhofper. Deltocephalus ininiicus Say. Jassus ininiicus Say. Jour. Acad. Nat Sci. Phila. VI, p. 305, (1831).Deltocephalus inimicus Osborn and Ball. Pr. la. Acad. Sci. IV, 215 (1897). This species which is so serious a pest in grasslands and occasionallyin wheat and oats in the south and west, especially in some parts of theMississippd valley is one of the common species in Maine but for thepast season it was not taken in such an abundance as to indicate asgreat an economic importance as in some other localities. It is a small gray species with three pairs of round black dots,—one pair on the head, another on the prothorax and a third on thescutellum. The claval cells are reticulate with brown or blackishsquares. Length 5 -mm. Th
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