INVESTIGATIONS ON" THE MUTILLID WASPS 239 



97. DASYMUTILLA SATANAS, new species 



Female.— Vqvj dark mahogany red, clothed with very long, erect, 

 pale ochraceous pubescence ; length, 20 mm. 



Head dark mahogany red, the front and vertex clothed with erect 

 and recumbent, long, pale ochraceous pubescence; mandibles acumi- 

 nate at the tip, unidentate within; clypeus bidentate medially on the 

 apical margin, clothed with long, erect, dark hairs concealing the 

 sculpture; scape clothed with long, coarse pale hairs; first segment 

 of the flagellum very long, two and one-half times as long as its 

 v/idth at the apex, slightly longer than the second and third segments 

 united; antennal scrobes distinctly carinate above; front and vertex 

 with large, shallow, confluent punctures; the genae rounded pos- 

 teriorly, with moderate, shallow, more or less confluent punctures, 

 very sparsely clothed with pale pubescence; relative widths of head 

 and thorax, 11-16. 



Thorax very dark mahogany red; the dorsum with exceedingly 

 deep and coarse punctures, clothed with erect and recumbent, long, 

 pale ochraceous pubescence; the propleura with shallow, confluent, 

 indistinct punctures, clothed with sparse, dark pubescence; anterior 

 half of mesopleura indistinctly punctate, the posterior half coarsely 

 and deeplj^ punctured, clothed with dark sparse, recumbent pubes- 

 cence, except a longitudinal median row of very long, erect black 

 hairs; metapleura coarsely and deeply punctate ventrally, glabrous 

 dorsally, sparsely clothed with recumbent, dark hairs; sides and 

 posterior face of propodeum exceedingly deeply and foveately reticu- 

 late, except the median basal portion of the posterior face moderately 

 punctate, and the reticulations on the sides of the propodeum becom- 

 ing shallower anteriorly. 



Abdomen dark mahogany red; first tergite glabrous, except for 

 shallow punctures along the apical margin; apical margin of first 

 tergite with a row of erect black hairs; second tergite with very 

 large, deep punctures throughout, the punctures near the basal and 

 lateral margins exceedingly coarse and deep, clothed throughout 

 except the basal lateral margins with very long, erect and recumbent, 

 pale ochraceous pubescence ; tergites 3-5 with moderate, more or less 

 confluent punctures, clothed with very long, erect, pale ochraceous 

 pubescence; pygidium longitudinally rugose; median carina of first 

 sternite forming a tooth at its posterior extremity; second sternite 

 with large, shallow punctures, some of which are confluent, the disk 

 clothed with very sparse, erect, dark hairs, the sides with pale hairs, 

 and the apical margin with a thick fringe of long, pale ochraceous 

 hairs; sternites 3-5 with moderate, close, confluent punctures, their 

 apical margins with a thick fringe of long, pale ochraceous hairs. 



Legs dark mahogany red, sparsely clothed with long black hairs. 



