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of this family. However, some biological groups have been accepted by
many and are defined on the basis of larval and adult food.
Group 1. Cetoninae (PL V, Fig. 72) Brilliant colours, day flying, mouth
parts soft. Larvae generally feed in decaying vegetable matter including
roots. Some inhabit ants nests for this purpose. About 2,500 species
known, 250 in India and about 20 in Maharashtra.
D. cuvera. Black, shining, red patch on pronotum, yellow on elytra,
abdomenal end red. L. 15-19 mm. Heterorrhina spp. Green to blue, oval,
elongate. L. 18-26 mm. Protaetia spp. Shades of black, shining, irregular
patches or spots, globose, compact. L. 13-28 mm. P. albo- guttata. Metallic
green or blue, white spots, elongate, oval. L. 33- 22 miu. Larva feeds in
decaying leaf mould and nurseries. C. acuta with golden pubescence,
depressed. lJ 14-18 mm. Swarm in leguminous flowers. C. klugi, Black or
chocolate, orange bands and spots. L, 13-17 mm. Pest on Tectonia roots.
A. orichalcea. Green, blue, purplish or Mack, parts orange red. Long,
narrow, rather flat, L. 36- 40 mm. tunnels in pandanus. Coenochilus spp.
Black or reddish, silky hair, legs slender. L. 12-14 to 19-20 mm.
Group 2 Dynastinae. Striking, large. Nocturnal, not commonly met with.
Males' and females differ widely in appearance due to horn development
of males. Some have stridutalorv organs. Early life passed in compost or
tree trunks, adults feed on palm leaves or fronds. A few attack roots of
sugarcane, rice etc. in larval stage. More than 1,000 species described,
about 50 in the Indian region and four in Maharashtra.
O rhinoceros. ( डी, नाडत च्या पानयी)