TYRINI 299 



Raffray (1904) divided the genus into three groups as follows: 



Antennae similar in both sexes Group I 



Antennae dissimilar in the sexes 2 



2. Head not excavated Group II 



Head excavated Group III 



The species of Tyropsis have not been increased since 1908 and may be 

 listed as follows: 



I 



castanea (Blanchard). Chile. Genotype. [Pselaphus] 



(chevrolati Saulcy; elsbethae Reitter; 

 cosmoptera Schaufuss, nee Blanchard) 



hirta Reitter. 1888. Blumenau, Brazil. 



pilifera Reitter. 1888. Sao Paulo, Brazil. 



valdiviensis Reitter. 1885. Chile. 



II 



adumbrata Reitter. 1885. Chile. 



difformis Schaufuss. 1879. Chile. 



palpalis Reitter. 1883. Chile, {praeses Schaufuss, female) 



spinula Reitter. 1885. Chile. 



Ill 



cavifrons Raffray. 1895. Chile, {valdiviensis Schaufuss, 1886, nee 

 Reitter) 



NEOTYRUS (Raffray, 1895) 

 This is a small neotropical genus of four species, two of which are 

 termitocolous, related to Tyropsis by the maxillary palpi, but distinct from 

 this genus on pronotal and tergite differences, as indicated in the tribal key 

 to genera. 



Neotyrus coptocolus new species 



Type Male. Measurements: Head 0.43 x 0.47 through eyes; pronotum 

 0.53 X 0.49 mm.; elytra 0.76 x 1.00 mm.; abdomen 0.62 x 0.87 mm.; total 

 length 2.4 mm.; greatest width 1.00 mm. (PI. XX). 



Reddish-brown with very short, stiff, inconspicuous, and wholly appressed 

 setae; integument subopaque and coarsely granulate-asperate on antennae, 

 legs, head, pronotum, and elytral costae; slightly shining, with small and 

 sparse asperities on abdomen; palpi, vertexal foveae, transverse pronotal 

 sulcus and elytral intervals glabrous and shining. 



Head with rounded tempora as long as eyes ; eyes prominent, placed slightly 

 behind middle and composed of about 76 very small facets. Vertex and occiput 



