156 NEOTROPICAL PSELAPHIDAE 



11. First segments of the antennae abnormal; head armed; epistomal area 



large Group XI 



Last segments of the antennae abnormal 12 



12. Segments VIII, IX, and X very abnormal; occiput gibbous; vertex 



prominent and deeply excavated each side in the male; antennae 

 simple, but sinuate, head wide, flattened triangularly on front and 



vertex and squamous in the female Group XII 



Segments IX and X very large, abnormal, but not armed ; head deeply 

 excavated each side of vertex Group XIII 



The species may be listed as follows, the roman numerals denoting the 

 Rafifrayian species groups: 



I 



approximatus (Reitter). 1885. Chile. 

 convexiceps Rafifray. 1904. Chile. 



II 



cordicollis Raffray. 1904. Chile. 



Ill 



clavata Raffray. 1904. Chile. 

 kindermanni (Reitter). 1883. Chile. 



IV 



blanchardi Raffray. 1904. Chile, {valdiviensis Reitter) 1883. 



elfridae Raffray. 1904. Chile. (Reitter in. litt) 



latifrons Raffray. 1904. Chile. 



picea Rafifray. 1904. Chile. 



quadriceps Raffray. 1904. Chile. 



tripunctata (Reitter). 1885. Chile. 



V 



simulans (Reitter). 1885. Chile. 



VI 



brevicornis Raffray. 1904. Chile. 

 bifossifrons (Reitter). 1883. Chile. 

 humidula (Reitter). 1885. Chile. 



VII 



cosmoptera (Blanchard). 1852. Chile. (Pselaphus) {Aplodea, ReitieT) 

 {Tyropsis, Raffray). See Raffray, 1904. {chilensis, Reitter, 1883) 

 larvata (Reitter). 1885. Chile. 



