LACEBUG GENUS ACALYPTA — DRAKE AND LATTIN 339 



Elytra with fairly large areolae; costal area wide, varying in almost 

 all degrees from one to two complete rows of large areolae, usually 

 with one and a partial second row of areolae; discoidal area narrow, 

 shorter than in other members of the genus, narrower than subcostal 

 area, acutely angulate at base and apex, three or four areolae deep in 

 widest part. Length 2.30-2.70 mm., width (elytra) 1.25-1.55 mm. 

 Macropterous form unknown. 



HoLOTYPE. — Brachypterous cf, "Carolina meridionalis" (S.C.), 

 in Naturhistoriska Riksmuseum, Stockholm, Sweden. 



Distribution. — Massachusetts, Rhode Island, New Jersey, Mary- 

 land, District of Columbia, Virginia, Georgia, North Carolina, South 

 Carolina, and Florida. Known only from the eastern coastal states. 

 Adults and nymphs were collected on mosses, the only known host. 

 It has also been collected during the winter months on mosses. A 

 brachypterous 9 from Rhode Island is illustrated. 



Acalypta nyctalis Drake 



Plates 9, 10 



Acalypta nyctalis Drake 1928b, pp. 3, 5. — Hurd 1946, p. 463. — Bailey 1951, 

 p. 35.— Lindberg 1958, p. 13.— Drake and Ruhoflf 1959, p. 139. 



Brachypterous form. — Elongate-ovate, brownish testaceous, 

 antenna testaceous with fourth segment black, legs testaceous. 

 Antennal measurements: segment I, 0.15 mm.; II, 0.10 mm.; Ill, 

 0.25 mm.; IV, 0.25 mm. Head with frontal spines rather slender; 

 bucculae open in front. Pronotum reticulate, tricarinate; carinae 

 low, outer pair less elevated than median and slightly divergent 

 posteriorly, each carina slightly raised and becoming uniseriate 

 anteriorly; paranotum rather narrow, mostly biseriate, with a few 

 extra areolae in front; hood small, feebly roundly produced anteriorly. 

 Elytron with very long discoidal area, as wide or slightly wider than 

 subcostal area; costal area usually entirely uniseriate, with small 

 areolae. Hypocostal lamina uniseriate. Length 2.60-2.72 mm., 

 width (elytra) 1.22 mm. Macropterous form and male unknown. 



HoLOTYPE. — Brachypterous 9, Franconia, New Hampshire, in 

 U.S. National Museum (type no. 51715). 



Distribution. — United States: New Hampshire, Alaska (Point 

 Richardson and Fairbanks); Canada: Newfoundland and Alberta. 

 This is our most northerly distributed member of the genus. A 

 brachypterous 9 from Point Richardson and the last nymphal instar 

 from Fairbanks, Alaska, are illustrated. 



