I - 1 t^<h 



33. 

 BUPALUS FAVILLACEARIUS. 



The Gray Scollop. 



Order Lepidoptera. Fam. Geometridae. 



Type of the Genus, Georaetra favillacearia Hiib. 



BuPALusieftcA., Curt. — Fidonia Och., Goda. — Geometrai/M^., Haw. 



— Phalsena Linn., Fab. 



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



bipectinated to the apex in the males (1), the branches ciliated 



above (Iff); pubescent beneath in the females, the apex of each 



joint furnished with a bristle (2). 



Maxillte very short, twice as long as the palpi, rather broad 



and flat (3). 



Labial palpi covered with scales, slightly hairy beneath (4) ; 



very small, slightly recurved (7 a), triarticulate, basal joint 



very long, curved at the base, 2nd half as long and linear, 3rd 



very minute and globose (4 a). 

 Males larger than the females. Head short and globose, the crown 

 scaly ; eyes prominent and globose (7, the face). Thorax clothed 

 with woolly scales. Wmgsjlat and forming a perfect triangle in re- 

 pose ; margins entire and convex : cilia equal. Abdomen slender and 

 tufted in the male, stouter and conical in the female. Legs, hinder 

 considerably the longest : thighs long and slender : tibiae, anterior 

 with a very long slender internal spine ; intermediate with a pair of 

 long spurs at the apex ; hinder very long and slender, ivith 2 pair 

 of spurs, one pair considerably beloiv the middle : tarsi, posterior 

 rather the shortest, 5-jointed ; claws and pulvilli distinct (8, afore 

 leg). 

 Caterpillars loopers, with 6 pectoral, 2 abdominal and 2 anal feet P 



Favillacearius Hiib. — Curt. Guide, Gen. 894. 3. — Belgiaria/ZM^. $ . 

 Male silky grayish-white, slightly tinged with ochreous, freckled 

 with irregular minute dots : superior wings with a piceous in- 

 dented transverse striga towards the base, another waved and 

 oblique one beyond the middle, dentated internally, with 2 

 large fuscous patches outside and a long piceous spot on the 

 disc, the nervures forming a line of dark dots at the base of the 

 cilia : inferior wings with a dentated waved dark striga beyond 

 the middle and a dark sj^ot on the disc : cilia brownish- ochre : 

 eyes, antennae and legs dark brown. Female more freckled, 

 nervures of superior wings ochreous ; inferior wings sometimes 

 fuscous, excepting the posterior margin. 



In the Author's and other Cabinets. 



BuPALUs was established by Dr. Leach, who proposed 

 P. piniaria Linn, as the type : I have retained his name to the 

 species figured, as it stood so in our first edition; but the 

 structure is so different to any of the allied species, that it 

 must form a new genus: ihe three species may be charac- 

 terized as follows : 



512 



