

INSECTA 495 



Sp. Diaperis loleti, Chrysomela loleti L., GEOPPE. Hist. d'Ins. i. PI. vi. fig. 3, 

 DUMERIL Cons. gen. s. L Ins. PI. 15, fig. 5 ; 3'" long, 2"' broad, black, the 

 elytra with two orange transverse bands, and an orange spot at the point. 



Sub-genus : Neomida ZIEGL., Oplocephala LAPORTE and BRULLE. 



Compare DE LA PORTE et BRULLE, Monographie du genre Diaperis, 

 Ann. des Sc. not. Tom. xxm. 1831, pp. 325 410, PI. 10. 



Add sub-genera, in which, the last joint of maxillary palps is 

 broad, truncated Platydema LAP. and BR., Ceropria and some 

 others 1. 1. 



PJialeria LATE. (Uloma, Phaleria DEJ.). Internal process of 

 maxilla armed with a horny claw. Maxillary palps with last joint 

 incrassate, obtrigonal, truncated. 



Sp. Phaleria cadaverina, Tenebrio cadaverimis FABB., STURM Deutsckl. 

 Fauna, Ins. n. Tab. 47, fig. a, A, B, Cuv. R. Ani. ed. ill., Ins. PI. 50, 

 fig. r, &c. 



Family LIV. Melasomata LATE. Body often apterous. An- 

 tennae scarcely longer than head and thorax conjointly, inserted 

 under the exsert margin of head, mostly short, moniliform, with 

 second joint short, third in most elongate. Internal lobe of maxilla 

 almost always armed with a horny tooth or claw. Mandibles bifid 

 or emarginate at the apex. 



Most of these beetles have a black colour ; others are brown or 

 grey, without contrasting spots ; they are shy of the light and 

 live almost all on the ground, where they conceal themselves 

 in corners or under stones. The shield-covers of the wingless 

 species are grown together, and at the sides bent downwards. 



Compare on this family GUERIN, Materiaux pour une classification des 

 Melasomes, Magas. de Zool. 1834, Ins. PI. 101 IT 8. 



Phalanx I. Tenebrionita (Tenebrionidce LEACH, WESTWOOD). 

 Body winged ; elytra loose. Maxillary palps with last joint broad, 

 truncated. 



A) Body elongate. Thorax sub-quadrate. Antennae, moniliform, 

 gradually thicker towards the apex. 



Heterotarsus LATE. Antepenultimate j oint of tarsi deeply bilobed, 

 receiving the penultimate very small. 



Sp. Heterotarsus tenebrio'ides LATR., Cuv. R. Ani. ed. Ml., Ins. PI. 49, fig. 1 1, 

 from Senegal. 



