168 MOSQUITOES OF NORTH AMERICA 



the eyes, the whole silvery blue in some lights ; a row of erect, forked black scales 

 along posterior margin; sides below yellowish silvery; a row of setae along 

 margin of eyes, a pair of coarse bristles at vertex. 



Prothoracic lobes rather large, elliptical, remote dorsally, brown, sparsely 

 clothed with small silvery scales with blue reflection ; a row of setae along anterior 

 margin. Mesonotum brown, clothed with long, narrow, curved scales, dark 

 brown with a slight bronzy luster ; a row of bristles around edges of disk. Seu- 

 tellum trilobate, vestiture of broad, flat scales, metallic greenish-blue, each lobe 

 with a tuft of black bristles. Postnotum elliptical, prominent, luteous brown, 

 with a tuft of small setae posteriorly. Pleurae luteous brown, coxae luteous, 

 clothed with patches of silvery-white scales. 



Abdomen subcylindrieal, blunt at tip, with a terminal tuft of bristles ; dorsal 

 vestiture metallic violet-blue ; venter pale golden, colors separated on sides in a 

 straight line, the venter with a broad median stripe of dull bronzy scales. 



Wings rather narrow, smoky hyaline; petiole of second marginal cell one- 

 third as long as its cell, that of second posterior cell nearly as long as its cell; 

 basal cross- vein slightly beyond anterior cross- vein ; outstanding scales of veins 

 rather broad, obliquely subtruncate, somewhat broader on forks of second vein, 

 brown, with a blue reflection. Halteres with brown stems and black knobs. 



Legs long and slender, dark violet-blue, with a slight bronzy reflection; mid 

 tarsi with tip of second joint, and all of the third and fourth silvery white on 

 outer side. Claw formula, 0.0-0.0-0.0 ; one claw of hind legs very slender. 



Length : Body about 5.5 mm. ; wing 4.5 mm. 



Male. — Antennae with last two joints long and slender, rugose, black, with 

 long pile, the other joints shorter, about five times as long as wide, with a long 

 whorl at base of each joint; brown, the hairs long, sparsely plumose, black. 

 Proboscis long and slender, curved. Palpi about three-fourths as long as pro- 

 boscis, very slender. Coloration as in the female. Abdomen slightly expanded 

 at tip, the claspers prominent, the last segment violet blue below. Wing slightly 

 narrower than in the female, the stems of the fork-cells longer, basal cross- 

 vein slightly before anterior cross-vein. Fore tarsi with the claws unequal, 

 simple, strongly recurved; mid tarsi much the same; hind claws small, equal, 

 and simple ; formula, 0.0-0.0-0.0. 



Length : Body about 4.5 mm. ; wing 4 mm. 



Type : No. 12709, U. S. Nat. Mus. 



Genitalia (plate 7, fig. 44) : Side-pieces over twice as long as wide, rounded, 

 setose; clasp-filament long and slender, uniform, with a small terminal claw; 

 basal lobe large, rounded, with long setae. Harpes elliptical, rather narrow and 

 long, margins revolute, tips thickened and bearing stout teeth. Basal ap- 

 pendages well separated, large, broader than long, bearing very long, coarse setae. 



The larvffi are predaceous ; Mr. Jennings found them feeding upon Joblotia 

 digitatus, eating both the larvae and pupas. They were in a palm-spathe upon 

 the ground. 



Panama. 



Upper Pequini River, March 30, 1909 (A. H. Jennings). 



LESTICOCAMPA CULICIVORA Dyar & Knab. 



Lesticocampa rapax Dyar & Knab (in part), Proc. Biol. Sec. Wash., xlx, 137, 1906. 

 Lesticocampa cuUdvora Dyar & Knab, Journ. N. Y. Ent. Soc, xv, 207, 1907. 

 liesticocampa cuUcivora Busck, Smiths. Misc. Colla., quart, iss., lii, 76, 1908. 

 Lesticocampa f culicivora Theobald, Mon. Culic, v, 558, 1910. 



Obioinal Description or Lesticocampa cuucivoba: 



$.— Proboscis long and slender; palpi not as long as three joints of the antennae. 

 Blender, black; clypeus black, shining, nude; occiput clothed with flat deep blue 



