358 CLASS viii. 



* * With abdomen elongate, cylindrical. 

 Sub-genera : Heriades SPINOLA, LATR., Clielostoma LATR, 



2. With three cubital cells. 

 Ceratina LATE. Maxilliary palps with six joints. 



Sp. Ceratina albilabris, Prosopis albilabris FABR., GEKMAK and AHRENS, 

 Faun. Ins. Ewrop. Fasc. v. Tab. 17, Cuv. R. Ani. ed. ill., Ins. PI. 126, 

 fig. 5 ; in the south of Europe : on the economy of this insect comp. the 

 observations of SPINOLA, Ann. du Mus. x. 1807, pp. 236 248. 



ft Labial palps similar to maxillary. 



a) Cubital cells three. 



Xylocopa LATE. Labrum very hard, horny, transverse, with 

 anterior margin ciliate. Mandibles sulcate, with point bidentate. 

 Abdomen depressed, broad, with sides hirsute. Feet very hirsute. 



Sp. Xylocopa, violacea, Apis violacea L., DUMER. Cons. gen. s. I. Ins. PL 29, 

 fig. i; Cuv. R. Ani. d. ill., Ins. PL 126, fig. 4, in southern Europe, &c. 

 Many large native species of remarkable size, with black or violet glister- 

 ing wings, belong to this division, as also Xylocopa morio from Java, &c. 



Sub-genus : Mesotrichia WESTW. 



Systropha ILLIG. Antennae of males convoluted into a spire at 

 the apex. 



b) Cubital cells two. 



Panurgus PANZ., LATR., Eriops KLUG. Antennas clavate 01 

 subclavate. 



Camptopceum SPINOLA. 







Rophites SPINOLA, LATR. 



Phalanx II. Andrenetce. Median portion of ligula shorte 

 than mentum, lanceolate or cordate. Labial palps similar to maxil 

 lary, quadriarticulate. (Genus Melitta KIRBY.) 



These bees are all solitary, and consist of male and female indivi 

 duals alone. The females collect pollen, not only with the hind fee 

 but with other haired parts of their body ; they dig under grouii' 

 and place by their egg a provision of pollen and honey. Other; 

 not formed for gathering pollen, lay their eggs in the nests of othe 

 bees. 



Andrena FABR. Median division of ligula acuminate at th 

 apex, lanceolate or hastate (triangular, auriculate on each side). 



