527. 



PYRALIS CRIBRALIS. 



The Marsh Fan-foot. 



Order Lepidoptera. Fam. Pyralidae. 



Type of the Genus, Ph. Pyralis barbalis Linn. 



Pyralis Linn., Hub., Curt. — Crambus Fab., Haw. — Hermlnia Lat., 

 Och., Goda. 



Antennce inserted on the crown of the head, close to the eyes, 

 rather long and clothed with scales, bipectinate in the males 

 (1, (J), each joint having two hairy tubercles near the apex and 

 2 short hairy rays near the base, each terminated by a long 

 curved bristle; ciliated only in the female (1 $), the joints 

 producing 2 bristles. 



Maxillce not so long as the antennae, rather slender and spiral, 

 ciliated towards the apex (3). 



Labial Palpi very long slender and compressed, porrected ob- 

 liquely, clothed with short compressed scales (4), triarticulate, 

 basal joint short and curved, 2nd very long, nearly straight but 

 slightly attenuated at each end, 3rd joint larger than the 1st, 

 very slender and lanceolate (4 a). 

 Head rather small : eyes globose. Thorax ovate. Abdomen tufted 

 in the male at the apex, conical in the female. Wings forming a 

 nearly horizontal triangle ivhen at rest, costa nearly straight. Legs 

 rather long, anterior ornamented with long hairs in the males (8) : 

 coxse long and ciliated on both sides (c) .• thighs long and slender, 

 furnished with a fascicle of long hairs at the apex, inclining back- 

 ward (f) : tibise very short and obtrigonate, with a lobe on the inside, 

 the external angle produced and forming a large holloiv lobe (J) : 

 tarsi long b -jointed, basal joint very long and compressed, with a 

 fascicle of long hairs at the base (t) : claws and pulvilli minute: the 

 other tibise have a long pair of spurs at the apex, with two above 

 them in the hinder pair. 

 Caterpillars with 6 pectoral, 8 (often only 6) abdominal and 2 anal 



feet. Hiib. 

 Pupse inclosed in a gauze-like web, and placed on the earth. Dup. 



Cribralis Hub., Pyral. tab. 1. fig. 2. — Curt. Guide, Gen. 978. 1. 



Male. Pale fuscous-ochre ; antennae beautifully bipectinated, with 

 the scales spreading over the inside a short distance from the 

 base : 3rd joint of palpi elongated : superior wings palest on the 

 disc, with a blackish dot near the centre and one or 2 oblique 

 lines of dots beyond it, the 1st curved and not reaching the 

 interior margin, the 2nd extending almost to the ajjex ; infe- 

 rior wings palest at the base : anterior thighs with a beautiful 

 tassel of ochreous hairs at the apex, the tibise dilated and jjro- 

 duced externally with a bundle of long hairs extending to the 

 apex of the tarsi and concealing them. 

 Female with the antennae and legs simple. 



In the Author s and other Cabinets. 



