BATRISINI 223 



Abdomen mucronate or apically pointed; intermediate tibiae simple; 

 antennal segments V and VII much longer and thicker than IV, 

 VI, and VIII quadripunctatus 



Abdomen not mucronate 8 



Head with a small longitudinal carina at middle of the front; anten- 

 nal segment II much larger than I or III orion 



Head without a median longitudinal frontal carina but with a small 

 longitudinal median carina on occiput bythinoceros 



Key to the Species of Group V 



Six sternites fully visible (Males) 2 



Five sternites fully visible (Females) 14 



Anterior femora abnormal 3 



Anterior femora simple 10 



Anterior femora with a deep transverse sulcus on the dorsal face, this 

 sulcus limited anteriorly by a strong transversely flattened and 

 obtuse tubercle, and limited posteriorly by a much smaller, obtuse 

 tubercle ; intermediate trochanters with a small sharp median spine ; 



1.8 mm hydropicus 



Anterior femora with different modifications 4 



Antennal tubercles very rugosely punctate and swollen; 1.6 mm 



manifestus 



Antennal tubercles smooth and either flat or only slightly elevated ... 5 

 Anterior femora with a median deep transverse sulcus on the dorsal 

 face, the borders of the sulcus carinated and densely pubescent, and 

 posterior (basal) to this sulcus a wide impression, and anterior 



(apical) to the sulcus a flattened squamous area; 1.9 mm 



femoratus 



Anterior femora with different modifications 6 



Anterior femora with a shallow median depression on the dorsal face, 

 the anterior margin of this depression is slightly pubescent and 

 lightly carinated ; apical to this carinated margin is a minute trans- 

 verse sulcus ; 2 mm cruralis 



Anterior femora with different modifications 7 



Anterior femora with a deep oval fovea at apical third of dorsal face, 

 the margins of this fovea lacking a pubescent carina; external to 

 the apical fovea the femora are incised by a transverse notch; 



1.4 mm rubriculus 



Anterior femora with different modifications 8 



Fovea of dorsal surface of anterior femora oblong 9 



Anterior femora with a perfectly circular fovea and a high crenulated 



longitudinal crest; 1.9 mm extraneus 



Intermediate trochanters with a light brush of setae; 1.9 mm 



cicatricosus 



