COLEOPTERA. 27 



and mandibles are more or less solid in proportion as they are more 

 or less exposed. 



The Anthobii live on flowers or leaves. 



In some, the mandibles and labrum are salient, and all the tarsi 

 have two entire and equal hooks. 



The antennge consist of ten joints ; the maxillary palpi are rather 

 larger near the end, the last joint short, or but slightly elongated and 

 truncated ; the mandibles are corneous. 



Some of these Insects inhabit the north of Africa, and other conn- 

 tries situated on the Mediterranean ; most of the others are found in 

 the higher portions of Avestern Asia. 



In these, the first joint of the antennal club is concave and encases 

 the others. In 



Glaphyrus, Lat. 



The inner edge of the mandibles is dentated, and the outer forms 

 an acute angle ; the antennal club is almost ovoid ; the teguments are 

 firm and the posterior thighs inflated. The maxillary palpi are much 

 longer than the others, Avith the last joint longer than the preceding 

 one. The inner lobe of the maxillae is dentiform, the outer or ter- 

 minal one coriaceous. The thorax is oblong, and the posterior legs 

 large *. 



Amphicoma, Lat. 



Outer sides of the mandibles rounded and arcuated, the inner not 

 dentated ; antennal club globular ; abdomen soft, and all the legs of 

 the ordinary size. 



The epistoma is strongly bordered, The anterior tibiae have three 

 teeth exteriorly. The four first joints of the tarsi are strongly cili- 

 ated in the males. 



In this and the following subgenus, the maxillae terminate in a 

 membranous, narrow, elongated, thong-like lobe. Their palpi are 

 hardly longer than the others, and the length of their last joint is 

 scarcely greater than that of the preceding one f . 



In those, such as 



Anthipna, Escholtz, 



The antennal club is formed of free and oval leaflets. 



The epistoma is not bordered before ; the median portion of the 

 head forms with it a plate of a long square figure, bordered laterally 

 and posteriorly. The outer side of the anterior tibiae has two teeth. 

 The four first joints of the tarsi are dilated and dentiform in the 

 males. These Insects otherwise resemble the Amphicoma? \. 



In the others, the labrum and mandibles are covered or non-salient, 

 and some at least of their tarsial hooks are bifid. The mentum is 

 elongated and pilose. 



* Lat., Gen. Crust, et Insect., II, p. 117. 



t See Lat., Gener. Crust, et Insect., II, p. 118 ; germs Amphicoma, first division, 

 X Amphicoma ahdominalis, Lat., Gener. Crust, et Insect., II, p. 119; M. alpina, 

 Oliv,, Col., I, 5, X, 112. 



D 2 



