748 MOSQUITOES OF NORTH AMERICA 



The thoracic pattern and abdominal banding, as in other species, are subject 

 to considerable variation. Without a good series of bred specimens it will be 

 impossible to indicate the range of variation or the specific limits. 



AEDES PROVOCANS (Walker). 



Oulex provocans Walker, List Dipt. Brit. Mus., i, 7, 1848. 



Culex provocans Giles, Gnats or Mosq., 327, 1900. 



Culex nemorosus Theobald (in part). Men. Cullc, ii, 80, 1901. 



Culex nemorosus Giles (in part). Gnats or Mosa., 2 ed., 436, 1902. 



Culex nemorosus Felt (not Meigen), Bull. 79, N. Y. State Mus., 332, 1904. 



TheobaUinella nemorosa Blanchard (in part), Les Moustiques, 391, 1905. 



Ochlerotatus provocans Coquillett, U. S. Dept. Agr., Bur. Bnt., Tech. Ser. 11, 21, 190G. 



Culicada nemorosa Theobald (in part). Men. Culic., iv, 370, 1907. 



Culicada nemorosa Theobald (in part), Mon. Culic, v, 307, 1910. 



ObIOINAI. DESCKIPTION of CtTLEX PEOVOCANS: 



Mas.: Rufo-fuseus, capite thorace abdominisque fasciis albo hirtis, antennis 

 fuscis, pediius oiscuri rufis, alis limpidis. 



Body reddish brown, clothed with white hairs, which are most thick on the head 

 and on the chest: feelers and mouth brown: abdomen with a broad white band of 

 hairs at the base of each segment: legs dull red: wings colourless; veins pale brown; 

 poisers yellow, with brown knobs. Length of the body 2% lines; of the wings 5 lines. 



o. North America. 



B. Nova Scotia. From Lieut. Redman's collection. 



Obiginal Desceiption of Culex peovocans. Female (Doubtfully Associated) : 



Bufo-fuscus, capite thorace abdominisgue fasciis flavo hirtis, antennis pedibusque 



nigro-fuscis, femoribus flavis, alis limpidis. 



Body reddish brown: head and chest clothed with yellow hairs: feelers and mouth 



very dark brown: abdomen with a band of yellow hairs at the fore border of each 



segment: legs dark brown; thighs yellow, with brown tips: wings colourless; veins 



brown. Length of the body 2% lines; of the wings 5 lines. 

 a. Nova Scotia. From Lieut. Redman's collection. 



Desceiption of Female of Aisdes peovocans (Male and Laeva Unknown) : 



Female. — Proboscis rather long, subcylindrical, uniform; labellse conically 

 tapered ; vestiture black, somewhat paler beneath ; setae minute, curved, black, 

 those on labellse more prominentl}"^ outstanding. Palpi short, about one-fifth as 

 long as the proboscis, black ; setae moderate, bristly. Antennae filiform, the joints 

 subequal, rugose, pilose, black; second joint longer than third, thickened, 

 luteous, dark at tip; tori subspherical, with a cup-shaped apical excavation, 

 luteous, with some small creamy scales, a few similar scales on the second joint; 

 hairs of whorls moderate, sparse, black. Clypeus broadly rounded triangular, 

 prominent, black, nude. Eyes black. Occiput black, the scales on vertex nar- 

 row, curved, pale yellowish, on sides broad, creamy white ; erect forked scales on 

 nape whitish, a few blackish ones towards sides ; bristles along margins of eyes 

 black, those projecting between the eyes pale. 



Prothoracic lobes elliptical, remote dorsally, black, clothed with narrow whit- 

 ish scales and brown bristles. Mesonotum deep brown, clothed with narrow 

 curved scales, those towards sides coarse, a median stripe of reddish-brown ones 

 occupying less than one-third the width of the disk, scales on sides pale golden 

 brown, becoming creamy at margins and around the antescutellar space. 

 Scutellum trilobate, brown, clothed with narrow curved creamy-white scales, 

 each lobe with a group of brown bristles. Postnotum elliptical, prominent, 

 brownish, nude. Pleurae brown, coxae luteous, with rows of pale bristles, clothed 

 with patches of elliptical, flat white scales, those at upper anterior angles narrow, 

 curved, pale golden brown. 



Abdomen subcylindrical, tapering posteriorly; dorsal vestiture dull black, 

 with rather broad, white, basal, segmental bands, which widen to form triangu- 

 lar patches on the sides ; venter whitish-scaled, with a median longitudinal line 

 of dark scales and indications of dark apical segmental bands. Cerci black. 



