303 



T)T>. Apical joint of maxillary palpi 

 distinctly longei- than penulti- 

 mate joint. 

 E. Lateral outline of prothoiax 

 straight oi- sinuate in front 

 of middle. 

 V. Puncturation of elytra 

 somewhat close (much like 

 that of H. fratrrno, 

 Blackh., ohesa, Burm. (?), 

 etc. 

 FF. Puncturation of elytra 

 much less close 

 EE. Lateral outline of prothorax 

 a continuous even curve ... 

 CC. Base of pronotum fringed in 

 front of its edging with long 

 erect hairs ... 

 BB. Lateral gutter of pronotum in its 

 hinder part and round the basal 

 angle smooth and more or less di- 

 lated. 

 C. Club of antenn£e pallid in strong 

 contrast to the preceding joints; 

 clypeus very strongly refiexed ... 

 CC. Antennae unicolorous ; clypeus 

 much less strongly refiexed 



Group VII. 



pectoralifi, Bhmch. (?) 

 pygmsea, Blnckb. 

 thoracicn. Blackh. 



clara, BJackh. 



destructor, Tepper 

 obesa, Burm. 



[Antennae of nine joints. Lateral gutter of pronotum normal. 

 Apical joint of maxillary palpi not foveate. Penultimate 

 joint of maxillary palpi shorter than antepenultimate, or 

 sub-equal to it. In the latter case the dorsal surface of 

 the ins-ect not iridescent. Antennal club of only three 

 joints. Pronotum not black. Perpendicular front face 

 of clypeus nitid, bearing only a few very fine punctures 

 and a single series of very large setiferous punctures.] 



A. Lateral outline of prothorax very 

 strongiy rounded. 

 B. Pronotum finely and closeh' punctu- 



late ... ... ... ... ... testaoeipennis, Mad. 



BB. Pronotum strongly and consider- 

 ably less closely punctulate ... ... faceta, BJackh. 



AA. Lateral outline of prothorax feebly 



arched ... ... ... Tungi, Blackh. 



Group VIII. 



[Antennae of nine joints. Lateral gutter of pronotum normal. 

 Apical joint of maxillary palpi not foveate. Penultimate 

 joint of maxillary palpi shorter than antepenultimate, or 

 sub-equal to it. In the latter case the dorsal surface not 

 iridescent. Antennal club of only three joints. Prono- 

 tum black.] 



