324 



PROCEEDINGS OF THE NATIONAL MVSEUM. 



VOL. XXXII. 



Atlanticu.s I'AinvMEurs. Adult mall. 



Fterok'pis jiachymeriis Ball, Proc. Iowa Acad. Sci., IV, 1897, p. 237. 

 Decticus derogatus Walker, Cat. Derm. Salt. Orth. Brit. Mus., II, 1869, p. 260. 

 Engoniospis tedacea Scuddek, Cat. Orth. U. S., Append., 1900, p. 96. — Kirby, 

 Syn. Cat. Orth., IT, 1906, p. 181. 



Description. — Of the same general color and appearance as A. dor- 

 salis.^ but the posterior femora are usually" less than two times as long as 



the pronotum, rarely twice 

 as long, or a little more 

 (tig. 27), and the ovipositor is 

 generally longer than the 

 posterior femora rather than 

 shorter, as in dorsalia. The 

 posterior margin of the pro- 

 notum is usually less rounded 

 than in dors-alis, sometimes 

 sul)truncate. The elj'tra of 

 the males are better developed, as a rule, than those of dormlis, pro- 

 jecting beyond the pronotum a distance equal to or greater than the 

 anterior width of the pronotal disk. The cerci of the male are similar 

 to those of dorsalis^ except that the inner tooth is less remote from the 

 apex, that portion of the circus beyond the tooth being scarcel}'^ more 

 than two times as long as the basal breadth. (See fig. 30.) 



3feasureiiients. — Length, pronotum, male, 8,5-11 mm., female, 8-10; 

 posterior femora, male, 15-18, female, 16-22; ovipositor, 17-22; width, 

 pronotum across anterior portion, male, 3.25-3.75, female, 3.75; pro- 

 notum across posterior portion, male, 6-S, female, 6.5-6.75. 

 Type.—Cdit. No. 5734, U. 8. National Museum. 



Specimens examined. — National Museum material from Ohio, Dis- 

 trict of Columbia, Virginia, Maryland, North Carolina, Indiana, and 

 the typ(> of Engoniaspi.s testacea presumably from Missouri; also 

 material from various 

 localities in the collections 

 of Scudder, Brunner, and 

 Morse. 



This species does not 

 usually extend as far 

 south as dorsali.s, the 

 southern limit, so far as 

 recorded, being North 

 Carolina, l)ut is found as 

 far north as Canada." It has heen recorded from the Mammoth Cave 

 in Kentucky, but probabh' erroneously so, as it is not a cave species. 

 The type of Engoniaspis testacea., as stated in Scudder's original 



Fig. 28. — Engoniaspis testacea. Type specimens 

 portions restored). 



" Blatcldey, in A Nature Wooing by the Sea, records it from Florida, the record 

 l)eing l)ased upon nymplis. These immature wpecimens may belong to another 

 species. 



