PARASITICA — PELECINID^. 



89 



Fis. 13.* 



Family PELECINIDiE. 

 This remarkable family contains only the genus Pelecinns repre- 

 sented by a single sj)et'ies {polijtimdor Drury) which is black, shin- 

 ing ; head transverse, viewed in front (juadrate, the ovate eyes occu- 

 pying the u])per lateral i)ortion and distant from the base of the 

 mandibles; face rugose and rather prominent medially ; ocelli small 



and arranged in a 

 triangle ; cheeks and 

 back part of the head 

 smooth and jxjlished ; 

 antennre long, thread- 

 like, 14-jointed, basal 

 joint short, thick, sec- 

 ond small, spherical, 

 the remaining joints 

 very long and slen- 

 der, the 9th and 10th whitish; maxillary palpi 5-jointed, labial 

 pali)i 3-jointed ; thoi'ax narrowed anteriorly, the prothorax i-eaching 

 the tegulae, the upper lateral angles sometimes prominently dentate ; 

 mesothorax triangular, trilobed, parapsidal grooves crenulate, con- 

 fluent and broad behind ; scutellum convex, rather prominent ; meta- 

 thorax longer than broad, gradually narrowed and sloping posteriorly, 

 rugulose above, the spiracles linear ; anterior wings with the neu ra- 

 tion imperfectly and indistinctly defined, stigma linear, posterior 

 wings without nervures ; legs long, especially the posterior pair, 

 slender; trochanters one-jointed; anterior tibiie with a curved spur 

 at apex, their tarsi curved at base, with a broad tooth beneath ; in- 

 termediate and posterior tibiae with two spurs at apex; po.-^terior 

 tibiie nmch dilated, cylindrical, suddenly constricted and slender at 

 btise; basal joint of j)osterior tarsi very short, the second and thii-d 

 joints very long and slender, the two apical joints short ; claws sim- 

 l)le ; abdomen attached to the apex of the somewhat j)rolonge(l meta- 

 thorax, that of the 9 greatly elongated, about five times the length 

 of the head and thorax, slender, cylindrical, basal joint thickest, 

 si)indle-shaped, ovij)ositor not exserted ; abdomen of the % stronglv 

 clavate, about twice the length of the head and thorax, tlu' basal 

 segment very long, three times as long as the remaining segments 



* For the use of this cut of Pelecinit.i poh/turntor % 9- ^^^c compiler is in- 

 debted to the kinduess of Dr. A. S. Paekiird, Jr. 



TRANS. AMEK. ENT. SOC. 



(12) 



SUPPL. VOL. 18ti7. 



