1896.] of the Coleoptera of South Africa. 527 



Group OOIDINI. 



Synopsis of Genera. 



Head with one seta over the posterior part of the eye. 



Penultimate joint of labial palpi glabrous. 



Labrum with three setae in the anterior margin Systolocranms. 



Labrum with six setae in the anterior margin Oodes. 



Head with two setae over the eye. 



Penultimate joint of the labial palpi with two setae. 



Labrum with six setae Mclcmodes. 



Gen. SYSTOLOCEANIUS, Chaud., 

 Bull. Mosc, 1857, ii., p. 23. 



Ligula broad, truncate at the tip, with the outer angles slightly 

 declivous, bisetose, with the setae placed nearer to the median than 

 the outer part, disconnected at a short distance from the tip from 

 the paragiossae, which are slender, slightly arcuated inwardly at the 

 tip, and a little longer than the ligula ; mentum narrow, not deeply 

 emarginate, with a triangular tooth rounded at the top, and nearly 

 as high as the inner lobes, which are extremely slanting; palpi 

 slender, the penultimate joints of both maxillary and labial as long 

 as the last ones, the ultimate one of the maxillary subfusiform, with 

 the tip briefly acuminate ; labrum twice as broad as long, slightly 

 emarginate in front, and with three setigerous punctures, one in the 

 middle and one at each angle ; head subquadrate, with a puncture 

 on each side of the basal sutural line of the epistoma, and without 

 any in the apical angle, one seta over the back part of the eye ; 

 antennae slender, although in a lesser degree than in Oodes, with the 

 joints slightly compressed, pubescent, with the exception of the 

 three basal joints, which are glabrous ; prosternum produced 

 between the coxae in a conical process ; legs as in Oodes, the three 

 basal joints of the anterior tarsi of the male spongy underneath, 

 dilated, the first triangular, the second one broader, wider than 

 long, the third one nearly as broad as the second at the base but 

 a little narrowed at the apex, the fourth one narrower, triangular in 

 both sexes ; prothorax much dilated behind and without any seta 

 in the pos1;erior angle ; elytra fitting against the base of the prothorax 

 and not broader, soldered together and costate ; anal segment of the 

 male with one setigerous puncture on each side of the median part, 

 that of the female with two, the inner one smaller than the other ; 

 the four ventral segments of the South African species with two 

 median punctures. 



Systolocranms occurs in Eastern and Western Africa ; one species 

 is recorded from India (Bengal). 



