PHAEDON. 



59 



Genus PHAEDON, Latreille. 



Phaedon, Latr., in Ouvier, Regne Anim. ed. 2, v, 1829, p. 151 ; Redt., 

 Gatt. deutsch. Kaferfauna, 1845, p. 116 ; Chapuis, Gen. Col. x, 1874, 

 pp. 367, 371 ; Weise, Ins. Deutschl. vi, 1884, p. 538 ; Fowler, Col. 

 Brit. Isl. iv, 1890, p. 314. 



Genotype, Ghrysomela armoracice, L. (Europe, N. Asia, N". 

 America). 



Body short, oval and convex. Prothorax narrowed anteriorly. 

 Elytra with dist inct row s of punctures at regular intervals. Tibiae 

 not produced into a tooth at the apex. The third bilobed segment 

 of the tarsus divided, not entire. 



This genus contains thirty-two species according to Weise, Col. 

 Cat. part 68, p. 118 (Berlin, 1916), having a wide range in North 

 and South America, and also occurring in Europe, Japan, and 

 Asia to a limited extent. Prom within our faunistic limits only 

 one species has been reported. 



Mange, discussed above. 



36. Phaedon assamensis, Jacob)). 



Phaedon assa?ne?isis Jac, Mem. Soc. Ent. Belg. vii, 1900, p. 120. 

 Body oblong, nearly parallel-sided, narrowed anteriorly. 

 Winged. Colour dark blue or greenish. 



Head rather closely punctate ; the clypeus delimited by a 

 triangular impression, its surface being punctate in the same way 

 as the rest of the head. Antennae black, the six basal segments 

 stained with piceous at the apex ; first segment large, thickened 

 and club-shaped, second small, third almost twice as long as 



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Fig. 20. — Phaedon assamensis, Jac. 



