CYDNIDAE OF THE WESTERN HEMISPHERE — FROESCHNER 369 



are excellent for assignment to the genus but insufficient for deter- 

 mining which of the six currently recognized species is to bear the 

 name. I have examined the type of castaneus Perty, which is still 

 in good condition in the Zoologisches Museum in Munich. The type 

 is the species that Signoret considered to be terginus. His " castaneus' ' 

 is thus without a name, and it is described below as a new species. 



Key to the known species of Scaptocoris 



1. Corbicle of posterior tibia crowded with numerous coarse, transverse tubercles 



arranged in rows which extend almost to base of tibia (fig. 136). 



giselleae Carvalho (p. 371) 

 Corbicle of posterior tibia mostly smooth, with few tubercles (fig. 134) . 2 



2. Clypeus distinctly surpassing apices of juga and broadly expanded anterior 



to them (fig. 51) divergens, new species (p. 369) 



Clypeus not or only slightly surpassing juga, not distinctly expanded anterior 



to them 3 



3 Eyes broadly transverse, width of one of them equal to or greater than a third 



of interocular width; pronotum with distinct punctures on and in transverse 



sculpturing minor Berg (p. 372) 



Eyes not so broad, width of one of them less (usually distinctly less) than 



a third of interocular width; pronotum with or without punctures ... 4 



4. Corbicle with discal tubercles in an irregular, single row very close to and 



paralleling outer edge of corbicle (fig. 134); pronotal rugae distinctly 

 punctured, at least in region of transverse impression. 



talpa Champion (p. 374) 



Corbicle with discal tubercles not in an irregular row close to outer edge or 



corbicle (fig. 135) ; pronotal rugae impunctate or feebly punctate .... 5 



5. Size larger, length of body 10.1 mm; color dark reddish brown. 



grossa, new species (p. 373) 

 Size smaller, length of body 5.1-7.2 mm; color yellowish tan. 



castanea Perty (p. 375) 



Scaptocoris divergens, new species 



Plate Figures 3, 20, 51, 85, 115, 133, 137, 165, 170, 178, 187, 189 

 Scaptocoris castaneus (not of Perty) Signoret, 1881b, p. 41, pi. 11, fig. 50. — 



Lethierry and Severin, 1893, p. 60 (part). 

 Scaptocoris terginus (not of Schiodte) Berg, 1884, p. 11 (part) .— Uhler, 1886, p. 3.— 



Torre Bueno, 1914, p. 162 (part).— Barber and Bruner, 1932, p. 235.— 



Martorell, 1939, p. 186. 



Diagnosis.— The prolonged and strongly expanded clypeus (fig. 51) 

 will separate adults and nymphs of this species from others in the 

 genus. 



Description. — Color: Yellow-brown, apices of anterior tibiae and 

 sometimes marginal spines of corbicles of posterior tibiae fuscous or 

 black, 



Male: Based on two specimens. 



Head (fig. 3): Wider than long, 1.61(1.60-1.63):1.50(1.49-1.51); 

 interocular width, 1.04(1.03-1.06); ocellus large, separated from eye 



501991—60 3 



