NO. 1530. THE DECTICIN.E OF NORTH AMERICA— CA UDELL. 3-19 



STIPATOR GRANDIS var. INSIGNIS, new variety. 



Dei<cri^ptlon. — Head medium in .size, not prominent; fastigium broad, 

 one-half or more as broad as the interocular space, very prominent. 

 E^^es medium, not prominent, well rounded. Fronotum very narrow 

 and slender, posteriorly much produced; lateral lobes well developed 

 but not as deep as long, the posterior margin strongly sinuous; carinie 

 none; pronotal disk evenl}^ rounded, anteriorly truncate, posteriorly 

 semicircularly rounded, no transverse sulci noticeable. Frosternal 

 spines well developed. Legs long, the posterior femora much ])ut 

 gradually swollen on the basal three-tifths, armed below on the inner 

 carina with several short stout sharp spines, directed backwards; 

 anterior tibi{\3 armed above on the outer margin onl}^ with three long 

 spines. Wings concealed in the female, in the male the el3^tra overlap 

 above and project slightly beyond the pronotum. Abdomen long and 

 narrow, scarcely carinate above; cerci in the male round and armed 

 on the inner side about the middle with a large sharp tooth as long as 

 the cereal width at that point (tig. -±5), in the female simple, pointed; 

 ovipositor about two-thirds as long as the posterior femora, moderately 

 stout and curved upwards in the apical third. 



Color brown, usually darker at the tips of the posterior femora and 

 ovipositor; disk of the pronotum and the upper portions of the lateral 

 lo])es usuall}^ unicolorous, disk of the elytra of th(^ male l)lack with 

 yellowish borders; lateral lobes of the pronotum mar- 

 gined below with yellowish; antennaj uniformly light 

 brown in all specimens examined. 



2feasurement><. — Length, pronotum, male, 9-U.5 nmi., 

 female, 9-10; posterior femora, male, 25-28, female, 

 27-31; ovipositor, 16-20. 



Type. — Cat. No. lOlTO, U. S. National Museum. fig. 45.— stipator 



Specimens examined. — One male and three females, grandis var. in- 



-^ , , , SIGNLS. CERCUS 



the types, from Dallas, Texas, three males and live of male. 

 females in the Scudder collection, all from the tj^pe 

 locality, and one njale from San Antonio, Texas, June, in Professor 

 Bruner''s collection; also one male from Kansas, one immature speci- 

 men from Brownsville, Texas (Barber), and one adult female from the 

 same locality (Snow), in the National Museum collection. 



Occasionally this variety has the sides of the pronotum black, as in 

 nigi'omarginata., to which species this is quite closely related in many 

 ways. But this insect is surely distinct from nigromarginata, though 

 the differences are more easil}^ seen than descril^ed. The more broadl}^ 

 rounded pronotum of nigroniarginata, together with the more often 

 blackened lateral lobes of the pronotum, will usually serve to separate 

 it from this insect. 



