THE PARKIJNG BEETLES. 



12G1 



2320 (7r.(_M>). DiAPKKis MAiri.vTA Oliv.. Kiicyc. Metli., VI, 17i»l 



BrojuUy oval, (•(Uivcx. I'.lack ; licid bc- 

 (weeii the eyes ami I'lylra. in yicat pari, 

 oranKe-rocl ; the latter Itciiii; marked with 

 bUick as foHows: a sutural line not reachinii --. 

 scutellnni and w ider on apirai half, a roinxh'd 

 sj)ot on middle ol' basal third and another 

 eloni^ate and smaller cne near the mar.i:;in. a 

 lart;e irregular sp i| dO apical half reachin.i^ 

 from nniriiin neai-ly lo sntural line. Thorax 

 nearly three times as wide as loivj;, linely and 

 sparsely pnnctate. Elytra with rows of rather 

 fine, feebly impressed pnnetures ; intervals 

 tiat. minntely and sparsely punetulate. Length (>-(>.5 nnn. 



Fig. 5fi4 a, larva; b, beetle; c, under 

 side of head of larva; (/.Jieg of same; e, an- 

 tenna of beetle. (After Riley.) 



(Fitr. otU.) 



Thi"()iii:h(»ut the Stnte; eoiiinion and p'rcj^arioiis heiieatli ])ark, 

 espeeiallx' that dt' elm, and in liin^i. March 16-Septeinl)er 9. 



XVIII. Arrhenoplita Kirby. 1837. (Gr., "strong i weapon.") 



Small elongate-oval, l)liiisli or greenish speeies, having the epi- 

 pleiira^ abbreviated and the males (in oitr speeies) armed with two 

 short horns on clyj^eiis and two longer ones on vertex. Two of the 

 three recognized speeies occur in the State. Formerly listed under 

 Hoplocephala. 



2330 (750S). Arrhenoplita viridipennis Fab., Syst. Eleut, II, 1801, 580. 



Elongate-oval. Thorax, legs and under surface, except abdomen, orange- 

 red ; head, abdomen and apical half of antennae piceous; elytra green or 

 blue, with metallic lustre. Thorax nearly three times as wide as long, sides 

 feebly curved, hind angles rounded, surface finely and rather sparsely punc- 

 tate. Elytra finely striate-punctate; intervals nearly Hat, minutely punctu- 

 late. Length 3-3.5 mm. 



Posey Connty; scarce. April 13. Taken from beneatli bark of 

 fungus covered log. Probably throughout the southern tliird of 

 State. 



*23;^l (7509). Arrhenoplita bicornis Oliv.. Ent., III. 1705, 55. 



Differs from the preceding in having the whole upper surface bluish- 

 green, the thorax sometimes varying to brownish ; under surface, except pro- 

 sternum, usually piceous. Elytral stria^ more coarsely punctate. Tjength 

 3— t mm. 



Throughout the State; very coiiuiion on fungi of various kinds. 

 Hibernates. Feliruary 25-October 11. The he;id of female in both 

 s])eeies is wholly devoid of horns or tubercles. 



