GHILIANELLA ASSASSIN BUGS — MALDONADO-CAPRILES 401 



42(41) Claspers very large, subtriangular; frontal spine poorly developed; 



apical process of hypopygium large (fig. 4) . . . . megharpacta 



Claspers small, oblong; frontal spine developed; apical process of 



hypopygium small 43 



43(42) Short species 14 to 17 mm. long 44 



Long species over 23 mm. long (fig. 6) signoreli 



44(43) Head with a pair of divergent pointed tubercles just behind transverse 



sulcus; eighth sternum very short, nearly hidden by seventh; 15-17 



mm. long minimula 



Head without such tubercles; eighth sternum long, nearly half as long 



as seventh; 14 mm. long rhabdita 



45(41) Eighth sternum with sides more or less concealed 46 



Eighth sternum visible on its entire width, the spiracle moderately 



pedunculate 47 



46(45) Clasper with longitudinal furrow on upper margin sulcata 



Clasper without such furrow (fig. 44) maculata 



47(45) Abdomen nearly cylindrical; clasper very broadly triangular, width at 



apex equaling length (fig. 8) personata 



Abdomen otherwise; claspers elongate not triangular 48 



48(47) Seventh tergum without constriction, apex moderately pointed and 



not surpassing claspers; first tergum with well-developed conical 



elevation; length 24 mm. (fig. 60) gibberosa 



Seventh tergum of different shape; first tergum without conical eleva 



tion 49 



49(48) Apical process of hypopygium short, exposed, vertical, and with an 



apical U-shaped notch (fig. 42) varicornis 



Apical process of hypopygium bent ccphalad, hidden by claspers or of 



different shape 50 



50(49) Claspers wide subbasally, much narrowed apically 51 



Claspers of nearly same width throughout their length, rectangular 



or trapezoidal on lateral aspect 52 



51(50) Seventh tergum with shallow lateral constriction; 25 mm. long. 



simillima 



Seventh tergum without constriction; 29 mm. long longula 



52(50) Short species, 18 mm. long; seventh tergum surpassing hypopygium 



by a clasper length; yellowish brown (fig. 9) bicaudata 



Longer species, over 24 mm. long; seventh tergum slightly surpassing 



hypopygium; reddish brown or black 53 



53(52) Claspers oblong; reddish brown and mottled with fuscous; apical 



process of hypopygium developed, tapering (fig. 22). . productilis 



Clasper trapezoidal; abdominal segments black and banded basally 



with gray; apical process of hypopygium undeveloped. . monenes 



FEMALES 



1 Mesothorax on dorsal aspect longer than prothorax 2 



Mesothorax not longer than prothorax '-'('» 



2(1) Abdomen with a bulbous swelling beyond middle and prominent 



lateral elevations on either fifth or sixth tergum 3 



Abdomen without bulbous swelling or lateral elevations on fifth or 



sixth tergum 18 



3(2) Fourth tergum the widest (fig. 87) globifera 



Fifth or sixth tergum the widest 4 



544233—60 2 



