804 FAMILY XXIX. — MIRID.E. 



tooth, thus forming' a shorter arc with the fan-shaped apex; the latter 

 quadrifid, usually forming - four acute teeth, the dorsal much the longer." 

 (Van D.). Length, 4.7 — 5 mm. 



Marshall, Starke, Marion, Putnam and Perry counties, Ind., 

 May 16 — July 5. Occurs on herbage along the banks of wood- 

 land streams. Described from California. Recorded from 

 New Jersey, and by Van Duzee (1921a, 135) from Ottawa and 

 Montreal, Canada, New Hampshire, New York and Colorado. 



III. Orthocephalus Fieber, 1858, 316. 



Small, thickly pilose species having the head short, wider in 

 female than in male, its front vertical ; beak reaching middle 

 coxae; pronotum short, trapezoidal, nearly twice as wide at 

 base as long, hind angles rounded ; scutellum triangular, equi- 

 lateral, with a transverse depression near base ; elytra dimor- 

 phic, in male longer than abdomen with divisions distinct ; in 

 female very convex, shorter than abdomen, gradually widened 

 from base to the rounded tips, without cuneus or membrane. 

 One introduced European species occurs in the eastern states. 



845 ( — ). Orthocephalus mutabilis (Fallen), 1807, 98. 



Elongate, subparallel, male, suboval, female. Black, thickly clothed 

 with long suberect black hairs and short, yellowish scale-like pubescence. 

 Macropterous form with corium piceous, its inner half and outer margin 

 of clavus pale hyaline; membrane fuscous, paler at middle in and around 

 the edges of cells. Brachypterous form with elytra wholly black. An- 

 tennae black, almost as long as body, joint 1 subclavate, slightly shorter 

 than width of vertex; 2 three and a half times longer than 1, its apical 

 half somewhat thickened ; 3 and 4 filiform, 3 two-thirds the length of 2, 

 4 two-fifths as long as 3. Length, 4 — 4.8 mm. 



Burnham Beeches and Hurst Green, England, June 22 — 

 August (British Mus. Coll.). Definitely recorded in this country 

 only from Orono, Me., and Ithaca, N. Y. At Ithaca it oc- 

 curred in numbers in June on the ox-eye daisy, Chrysanthemum 

 leucanthemum L., the great majority of the females being 

 brachypterous. 



IV. Parthenicus Reuter, 1876, 84. 



Small, elongate, subparallel, pubescent, subopaque species 

 having the head slightly wider across eyes than apex of prono- 

 tum, its front declivent ; base of vertex not margined ; eyes 

 oblong, coarsely granulated ; beak reaching onto ventrals ; an- 

 tennae about two-thirds the length of body, joint 1 slightly 



