^6 



68. 



ARCTIA C^NOSA. 



The Whittlesea Arctia. 



Order Lepidoptera. Fam. Arctiadas Leach. 



Type of the Genus Bombyx Salicis Lm«. 



Arctia Schrank., Lat., Leach. Bombyx Linn., Fab. Phalsena Linn. 

 AntenncE longer in the males than in the females, bipectinated, 

 the branches which are very long in the males (fig. 1), and very 

 short in the females (2), arise from the base of each joint, and 

 are ciliated and terminated by a bristle, the 1st joint is large 

 globose, with a dense and long tuft of hairy scales. 

 Labrum and Mandibles small and obscure. 

 MaxillcE short, flat, membranaceous, composed of two separate 

 filaments (7*). 



Labial palpi projecting in some beyond the head, very hairy, cy- 

 lindric, 3-jointed, 1st and 3rd joints short, intermediate one 

 long (4 and 4 a). 

 Wings trigonate, deflexed, undivided. Legs short, robust. Tibige short, 

 with a compressed spine on the internal side of the anierior pair, 4 

 posterior ones with spurs at their apex. Tarsi o -jointed, claws very 

 minute (8 a fore leg) . 

 Caterpillars hairy with 6 pectoral, 8 abdominal, and 2 anal feet. 



C.ENOSA Hubner's Europaischer Schmetterlinge, pi. 51. 218. vias. 



Male : cream colour, head and anterior part of thorax fuscous- 

 ochraceous : superior wings griseous, tinged with fuscous-ochra- 

 ceous, darkest along the costa and beneath the central nerve, 

 with a curved line of fuscous spots, more or less obscure, nearly 

 parallel to and approaching the posterior margin 5 inferior wings 

 pearly white, tinged ochraceous along the posterior margin : un- 

 derside of superior wings brownish ochraceous, cilia whitish : 

 antennae cream colour, radii brown ; palpi and legs golden co- 

 lour, dark brown on one side. Female dull white tinged with 

 ochraceous, pectinations of antennae black ; legs and palpi en- 

 tirely aureous, thighs covered with long soft white hairy scales. 



In the Author's and other Cabinets. 



The genus Arctia now contains 5 British species, and may be 

 separated into nearly as many divisions, from the various cha- 

 racters of the caterpillars. 1. A. cccnosa Hiib., has a larva with 

 tufts down the back, and long fascicjes of hairs like 2 horns upon 



