(Page 583) 

 First four joints of all tarsi in both sexes dilated and long hair- 

 ed (Fig. 188) 120. Anthoblum Steph. 



14. Tistal joint of maxillary palpi distinctly thinner than the next- 



last. Hind tarsal claw-joint twice as long as the very short 



first four joints together 15. 



Distal joint of maxillary palpi not thinner than the next-last. 

 Hind tarsal claw-joint at most 1$ times as long as the first 

 four joints together 16. . 



15. Pronotum witn fine middle-groove and two, sometimes feeble, curves 



on fore-margin. Body evenly broad, narrow and flat. Head broad 



and short 113. Phloeostiba Thorns. 



Pronotum at middle with two longitudinal impressions (Fig. 182).. 



.114. Phloeonomus Heer. 



(Page 584) 



16. Pronotum at middle with two distinct, posteriorly often deep long- 



itudinal impressions. Mesothcrax at middle-line finely carinated 



115. Omal ium Jravh. 



Pronotum at middle either without longitudinal impressions or these 

 are very feeble, almost obliterated 17. 



17. Hind tarsi ratner elongate, about £-/<? the length of tibiae 18. 



Hind tarsi shorter, only about half as long as tibiae IS. 



18. Antennae short and robust, from base to tip most often of almost 



even thickness. Impressions of forehead obliterated. Eody nar- 

 row, equally broad (Fig. 181) 112. Xylodromus Hee-. 



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