562 1NSECTA. 



dage, somewhat dentated along its edges, and terminated by a small 

 tooth(l). 



Dibolia, Lat. olim Jiltitarsus. 



Where the greater part of the head is sunk in the thorax, and the 

 posterior tibiae are terminated by a forked spine(2). In Altica pro- 

 per or 



Altica, Lat. 



The head is salient, and the posterior tibiae are truncated at their 

 extremity and without any particular prolongation or forked spine; 

 the tarsus originates from this extremity, and its length is not equal 

 to half that of the tibia. 



Ji. oleracea; Chrysomela oleracea, L.; Oliv., Col., VI, 93, bis, 

 iv, 66. About two lines in length; oval, elongated; green or 

 bluish; a transverse impression on the thorax; elytra finely 

 punctured. On vegetables. It is the largest of the European 

 species. 



Jl.nitidula; Chrysomela nitidula, L. ; Oliv., lb., V, 80. Green; 

 head and thorax golden; legs fulvous. On the Willow(3). 



Longitarsus, Lat. 



All the characters of Altica proper or of the preceding subgenus, 

 but the posterior tarsi are at least as long as the tibiae to which they 

 are attached(4). 



FAMILY VII. 

 CLAVIPALPI. 



The Insects of our seventh and last family of the Tetramera 

 are distinguished from all those of the same section, having, 



(1) The ninth family, or the Jtltitarsi, Illig., comprising the following 1 species of 

 Gyllenhall: chrysocephala, napi, liyosdami, dulcamarse, ajjinis. 



Those, which he calls dentipes, arideUa, and some others in which the posterior 

 tibiae are dilated near the middle of their posterior side in the form of a tooth, 

 with a canal beneath, longitudinal and ciliated along the edges, might constitute a 

 separate subgenus. 



(2) The eighth family, the .&. Echii, Oliv., and the A. occultans, Gyll. 



(3) The 3, 4, 5, 6, families of the same. 



(4) The seventh, such as the A. lurida, atricilla, quadripustulata, dorsalis, hoi- 

 satica, parvula, anchusx, atrnc, of Olivier, Gyllenhall, &c. 



