84 NORTH AMERICAN BLATTIDAE 



Coloration. — cf. General coloration light ochraceous-buff, be- 

 coming ochraceous-buff on the pronotal disk and tawny mesad 

 and distad on the ventral surface of the abdomen. Eyes blackish 

 brown. Tegmina semi-transparent, ochraceous-bufT, with marginal 

 field light ochraceous-buff. Wings hyaline, the area of the costal 

 veins and distal portion of the anterior field weakly tinged with 

 buffy. 



9 . {Type. Recessive.) Head, pronotum and ventral surface 

 of abdomen dull ochraceous-orange, the lateral portions of the 

 pronotum shading to ochraceous-buff. Tegmina transparent 

 ochraceous-buff. Mesonotum, metanotum and dorsal surface of 

 abdomen russet. Limbs buff. (Other females. Intensive.) 

 Head, pronotum, mesonotum and metanotum russet, the prono- 

 tum shading to ochraceous-tawny laterad. Abdomen shining 

 blackish brown, tinged with russet ventro-mesad. Tegmina trans- 

 parent russet, with marginal field ochraceous-tawny. Limbs 

 ochraceous-bufT, tinged with tawny distad. 



The known material of the present species is recorded below; 

 from the mountains, arid and sub-arid regions of central, south- 

 central and western Texas. Doubtless it is widely distributed o\-er 

 the similar adjacent regions in Mexico. 



Specimens Examined: 13; 9 males and 4 females. 



Shovel Mountain, Burnet County, Texas, VII, 21 and 25, 1901, (F. G. Schaupp), 

 2 cf, type and paratype of /. insoUta Rehn and Hebard, [A. N. S. P.]. 



Rio Frio, Tex., V, 11, 1910, (F. C. Pratt), i c?, [U. S. N. M.]. 



Sabinal, Tex., V, 26, 1910, (F. C. Pratt; at light), 2 cT, [U. S. N. M.]. 



NuecesRiver,Zavalla County, Tex., VI, 29, 1910, (F. C. Pratt), 2 c?, [U.S. N. M.]. 



Johnstone, Tex., VII, 8, 1907, (Hebard; under small boulder on desert), i 9, 

 type, [Hebard Cln.]. 



Fort Davis, Tex., VII, 11, 1911, (H. A. Wenzel), 2 9 , [A. N. S. P. and Hebard 

 Cln.]. 



Chisos Mountains, Tex., VI, 10 to 12, 1908, (Mitchell and Cushman; at light), 

 2 cf, [U. S. N. M.]; VII, 22, 1911, (H. A. Wenzel), i 9, [A. N. S. P.]. 



Parcoblatta americana (Scudder) (Plate III, figures 7 to 9.) 



1900. Loboptera americana Scudder, Proc. Davenport Acad. Sci., \i\\, p. 93, pi. 2, 

 fig. 4. [19, Ehrenberg, Arizona.] 



1910. Ischnoptcra americana Rehn and Hebard, Proc. Acad. Nat. Sci. Phila., 1910, 

 p. 420, figs. 7 and 8. [cf, 9: Oregon; Ormsby County, Nevada; Pair's Ranch, 

 San Jose, Los Angeles and Pasadena, California; Lower California.] 



