IX SECT LIFE IN INDIA. 



429 



f Series, Phytophaga— Head not forming a definite 



_ , . , , prolonged beak. 



Tetramera— 4; tarsal!. ° 

 *-?r- i, ■/ Series, Rhynchophora — Head more or less 



loints'.present on all legs. ,',..... 



prolonged in tront to form a snout or beak 



? (rostrum). 



Trimera — 3 tarsal joints r The family Coccinellidse only will be considered 



present on all legs. \ here. 



Pentammera. 



5 tarsal joints on all lite feet. 

 Series I. — Lamellicornia. 

 Tarsi five-jointed ; antennas with the terminal joints, called lamellae, 

 usually three in number (sometimes more), broader on ODe side form- 

 ing a club, the leaves of which are movable, but in repose look like one 

 piece as they are held close together. Fig. 91 shows several forms of 

 antennas present in this series. The families Pasalidce, Lvxanidce, and 

 Scaraboeidce are included here ; the form of the leaves of the club of 

 the antennae varies in shape in these three families. The larva? live in 



FlG. 91. — Types of Lam ellicorn antennae, (a) Pleurarins brachvphyllus. 

 (*) Lucanus lunifer. (<0 Heliocopris dominus. (d) Lach- 

 nosterna impressa. (e) Oryctes rhinoceros. (/) Agestrata 

 oricbalcea. 



decaying vegetable matter, roots, or dung. They either live in the 



ground or in the decaying wood upon which they feed. They have 



a horny head, large jaws and three pairs of legs, and are thick clumsy 



grubs with curved bodies, the last two segments being of larger size 



than usual and often swollen out in a bag-like manner (Fig. 89a). 



Many of them possess organs of stridulation. 



Fam. I. Passalidas. 



The upper lip is large and mobile and the mentum is deeply cut 

 out in the middle. The antennas curl upwards and the plates at 



