REHN AND HEBARD 203 



As its name implies the present insect inhabits salt marsh 

 vegetation, on the beaches and along the tidal rivers of the Atlan- 

 tic coast, where its habits are very similar to those of spartinae; 

 in the present case, however, the insect is found not out on the 

 marshes but in the halophytic vegetation along their borders and 

 in similar vegetation on the beaches. 



Tijpe. — cf; Wrightsville, New Hanover County, North Caro- 

 lina. September 7, 1911. (Rehn and Hebard.) [Hel)ard Col- 

 lection, Type No. 17-4.]. 



Description of Type. — Size medium, form robust and compart. Head with 

 dorsum of vertex when seen from the lateral aspect distinctly though sUghtly 

 ascending above the plane of the occiput, fastigium of vertex narrow, little 

 more than half as wide as the basal antennal joint, narrowing with a scarcely 

 appreciable concavity to the facial sutm-e, when seen from front over twice a.s 

 deep as the greatest width. Eyes large for the genus and unusually protruding. 

 Pronotum short with lateral lobes diverging rather strongly ventro-laterad, 

 lateral lobes with cephalic margin broadly and evenly arcuate to (h> veutro- 

 caudal angle which is rather sharply rounded and nearly rectangulate, caudal 

 margin very weakly convex to the very shallow humeral siniLs, convex callosity 

 broad. Tegmina delicate in structure, al)breviate, reaching to base of penulti- 

 mate dorsal abdominal segment; tympanum small, short and broad; veins and 

 veinlets very delicate, more so than in brevipennis . Wings slightly shorter than 

 tegmina. Abdomen with distal extremity enlarged and truncate, distal half 

 including cerci bright and striking yellow in life. Cerci short, Inilbous and 

 swollen mesad in a large and nearly circular area at the proximal base of which 

 is situated a slender ventro-internal tooth directed mesad and nearly perpen- 

 dicular to the shaft of the cercus, the external margin of which is very weakly 

 concave, beyond the mesal swelling the cercus is gi-eatly depressed, this distal 

 portion with sides rapidly and evenly converging to the rather shari)ly rounded 

 apex. Subgenital plate bearing disto-laterad very short styles, the distal 

 margin of the plate is very weakly convex, nearly transverse. Limbs shorter 

 and heavier than in spartinae or brevipennis, caudal femora with ventro-external 

 margins armed with a number of small stout teeth (.5 and 5), genicular lobes 

 strongly bispinose. 



Allotype. — ■ 9 ; data same as the type. 



Description of Allotype. — Very similar to type, size somewhat larger. Teg- 

 mina lanceolate, ta[)ering to the very sharply rounded apex, reaching to distal 

 third of abdomen. Ovipositor distinctly but not decidedly shorter than caudal 

 femur, broad, approximately straight in direction but showing a very evident 

 open-sigmoid curve. Sul)genital plate flat, with lateral margins turnetl ujjward 

 sharply and embracing the base of the ovipositor, distal margin of flat surface 

 transverse. 



TRANS. .\M. EXT. SOC, XLI.. 



