298 REPORT OF NEW JERSEY STATE MUSEUM. 



PYRACTOMENA Lee. 



P. angulata Say. Throughout the State VI, VII, nowhere common; per- 

 haps the most brilliant of our fire-flies. 



P. ecostata Lee. Anglesea VII, in salt meadows; the larvag in the marsh- 

 es among snails (div). 



P. lucifera Mels. Throughout the State south of the Piedmont plain 

 from mid-May through June. 



t 



PHOTINUS Lap. 



P. consanguineus Lee. Hud- 

 son Co. (LI) ; Orange 

 Mts. and Newark Dist. 

 (div) ; Anglesea (W) ; g. 

 d. (Li). 



P. lineellus Lee. Orange 

 (Ch) ; Atco (Li) ; rare. 



P. pyralis Linn. Piedmont 



plain and northward, in 



June; a moderate-sized 



species with quite a 



bright light. 

 P. marginellus Lee. Throughout the State VI, VII; locally the most 



common form; flies low and has a yellow light. The female is half- 

 winged and does not fly. 

 P. scintillans Say. Throughout the State, usually the most common 



form; flies VI, lingers until VIII; habits and light as in preceding. 



Fig. 114. Fire-fly, Photinus pyralis: a, larva; 



b, pupa in underground cell; c, adult; d to 



f. enlarged details of larva. 



PHOTURIS Lee. 



P. pennsylvanica DeG. Throughout the State 

 VI to VII, 15; the largest and most bril- 

 liant of our common species; flies high 

 and shines with a greenish light; locally 

 absent. 



P. frontalis Lee. Riverton VI, 17, VII, 3 (GG) ; 

 Anglesea VII (div). Smaller than the pre- 

 ceding, but Avith a similar light. 



* 



PHENGODES III. 



Fig. 115. Photuris penn- 

 sylvanica: a, larva; b, 

 its leg; c, adult: 

 a and b enlarged. 



P. longicornis Barber, (plumosa Oliv.) Ches- 

 ter V, 29 (Marsh) ; Palisades VI, 22 (Dke) ; 

 Staten Island (Ds). The males of these 

 species are not luminous; but the larvae and wingless females which 

 are found under stones are the most brilliant of all our forms, giving 

 off light from lateral points along the body. They are extremely rare. 

 Mr. Joutel records a larva Newfoundland VII, 4. 



P. laticollis Lee. Orange VI, 20 (Ch) ; Lahaway V, 15, VI, 24 (Coll). 



