324 NORTH AMERICAN MUTILLIDAE 



Dasymutilla (Dasymutilla) agenor (Fox), cf . 



Illinois: type in the collection of the American Entomological 

 Society. Possibly the male of the preceding. 



Dasymutilla (Dasymutilla) chattahoochei n. sp. 



9 . Mahogany red; flagellum, tips of the segments of the legs, base and apex 

 of the second dorsal segment, and all the following segments infuscated; head, 

 .dorsum, and second dorsal segment with sparse, erect and appressed, black 

 pubescence, the latter also with appressed yellow pubescence; remaining seg- 

 ments and apex of the second covered with sparse silvery pubescence, inter- 

 rupted medially on the second by dense black pubescence. 



Head seen from above and in front with the sides convex, the widest part 

 broadly interrupted by the prominent eyes, behind which tlie sides converge 

 to the sharp but nevertheless obtuse hind angles; posterior border shallowly 

 concave; the carinate hind angles removed from the eyes by one-half the long 

 diameter of the latter (.58 mm.); front closely, vertex and genae sparsely, punc- 

 tate. First segment of the flagellum longer than the second, but distinctly 

 shorter than the two following united. 



Width of head including the eyes, 1.9 mm., at the hind angles, 1.37 mm., of 

 the thorax, 1.73 mm.; length of the dorsum, 2.45 mm., to the scutellar scale, 

 2.01 mm. Thorax with convex margins, slightly tapered posteriorly, humeral 

 angles moderately sharp; caudal face of propodeum vertical only at apex, 

 broadly rounded into the dorsal, its surface rasped. 



Petiole short, widened posteriorly, its basal angles strongly dentate, seen 

 from the side it is much elevated posteriorly, not constricted before the second 

 segment, that segment very long and comparatively slender, 2.98 mm. long 

 by 2.3 mm. wide at the widest point, which is well toward the apex, the petiole 

 1 mm. long; petiole with a thin, translucent, median, ventral keel, not toothed; 

 pygidium strongly longitudinally striate, the edges not reflexed. 



Type material. — Holotype: Bainbriclge, Georgia, July 15 to 27, 

 1909, (the author), [Cornell University, No. 114.1]; two paratopo- 

 types: June 2, 1911 and September 3 to 7, 1910, (the author), 

 [Cornell Univ.]; six paratypes: Spring Creek, Decatur County, 

 Georgia, June 7 to 23, 1911, (the author), and June 16 to 29, 

 1912, (Cornell University Expedition); one paratype: Southern 

 Pines, North CaroHna, June 14, 1911, (A. H. Mance), [Cornell 

 Univ.]. 



Dasymutilla (Dasymutilla) arenerronea n. sp. 



9 . Color chestnut, the apical portion of the second dorsal segment orange- 

 rufous; pubescence inconspicuous and sparse; the second dorsal segment with 

 decumbent black hairs, over the orange spot with yellow hairs; the apical seg- 

 ment rather densely covered with yellowish pubescence. Length, 6 nmi. 



Head transverse, strongly narrowed behind the eyes, convex in front and 

 strongly concave behind, the lateral angles sharp, rectangular, subcarinate; 



