68 IOWA ACADEMY OF SCIENCES. 



J Tettigonia product a. Walk. Homop. Ill, p. 772, 1851. 



OTettigonia acuta, Walk. Homop. Ill, p. 773, 1851. 



^Acopsis viridis. Prov. Nat. Can. . p. 352, 1872. 



5 Diedrocephala moUipes, Osb. & Ball. la. Acad. Sc. IV, p. 176, 1897. 



Tettigonia molUpfs. Fowl. Bio. Homop. II, p. 273, PI. 18, Fig. 15, 1900. 

 P Aulacises lineata. Fitch. MSS. 



Bright green. Vertex pale yellow, narrowly lined with 

 black, acutely triangular, longer than the pronotum. 

 Length, 9 7.5 mm., ^ 6 mm.; width, 1.5 mm. 



Vertex acutely angular, produced, disc tl it or concave, margin 

 straight, somewhat variable in length, always distinctly longer 

 than the pronotum, in the female, slightly longer or almost equal- 

 ing it in the male. Face long, retreating in an acute angle, in pro- 

 file straight to the clypeus which is transversely inflited and angled 

 slightly with the front. Elytra long, coarsely reticulate from apex 

 back to the forking of the outer branch of the first sector, nervures 

 'raised, distinct. 



Color; vertex, straw yellow, eyes, ocelli, a median line, a pair of 

 posteriorly divergent lines on the disc, three concentric arcs on 

 reflexed portion of front on each side and a pair of dots at apex, 

 'fuscous. Anterior part of pronotum and scutellum pale green to 

 yellow, discof pronotum and eljtra bright gr^ss green, nervures 

 pale green, coatal and apical margins light. Face pale yellow, 

 ■sometimes washed with fuscous, about nine pairs of brown arcs on 

 -sides of front. L^gs and below pale yellow, sometimes washed 

 with fuscous or brown, especially in the male, a black line running 

 t)ack beneath the eyes on either side above which the brown or fus- 

 <50us never extends. 



Genitalia; female segment with the posterior margin truncate, 

 the middle half obtusely, angularly produced. Male valve short 

 and broad, rounding, plates long acutely pointed, half longer than 

 the ultimate segment, the margins with a few weak hairs. 



Specimens of this widely distributed and variable spe- 

 cies are at hand from Maine, Vermont, New Hampshire, 

 Massachusetts, Connecticut, Ontario, New York, Maryland, 

 District of Columbia, Virginia, Kentucky, Ohio, Illinois, 

 Michigan, Tennessee, Florida, Mississippi, Texas, Minne- 

 sota, Iowa, Missouri, Nebraska, Kansas, Wyoming Col- 

 orado, New Mexico, Arizona, Vancouvers Island, Cali- 

 fornia, Cuba, and various places in Mexico as far south as 

 Vera Cruz, and the Biologia reports it from Central Amer- 

 ica, and Walker's innotata, the identification of which is in 

 doubt, was from Brazil. 



Var 7-guttata, Walk. Plate VII, Fig. 2. 



Tettigonia guttata, Walk. Homop. Ill, p. 773, 1851 . 



