196 Mr. Children's' Abstract of the Characters of 



Wings very long and sublinear; superior with the cilia in- 

 dented ; inferior rather large. 

 IjCgs, anterior short, posterior \ox\g', femora very large and 

 woolly : anterior tibia; very short, with an internal scaly 

 spine ; posterior very long, terminated by spurs, and a 

 pair above the apex: tarsi with series of spiny scales 

 beneath, 5-jointed, anterior joint very short, basal the 

 longest : clatas distinct, slightly notched near the middle : 

 pulvilli minute. Anten7ice setaceous, robust in the males, 

 thickly clothed with obtuse scales above, each joint ci- 

 liated with hairs beneath. 

 Palpi short, robust, porrected obliquely, densely covered with 

 scales, which conceal the apical joint ; triarticulate, basal 

 joint robust, 2nd long, slightly dilated in the middle, Srd 

 oval-truncate. 

 Head very short, closely united to the thorax, and densely 



covered with long scales : eyes small. 

 Thorax quadrate, slightly crested. 



Abdomen short, depressed, the apex, in the males, triangular. 

 Larva cylindrical, naked* : pupa Iblliculated, its apex uniden- 

 tate. (Stephens.) 

 Treitschke (whose concise definition of this genus, Mr. Ste- 

 phens justly remarks, is so truly general and indefinite that it 

 will include a host of species that he has placed elsewhei'e) has di- 

 vided the insects included under his Xylina, into four families. 

 Fam. a. — Anterior wings long, and narrow ; body depressed. 



Larva green or brown ; corrugated. 

 Fam. B. — Anterior wings rather broader and shorter; body 



less depressed. Larva tuberculated. 

 Fam. C. — Wings and body densely scaly. Antennas of the 

 males pectinated. Larva green ; the 1 1th segment of the 

 body tuberculated. 

 Fam. D. — Anterior wings marbled, the markings intersected 

 longitudinally with brighter lines. Larva vai'iegated, and 

 like pai'chnient ! {pergamentartig.) 



Fam. a. Species. Icon. 



\.^f^.Vctusta, HUbn.f.. Ernst, VLPl.CCXLIX.f.370. b. 

 2. — Exolcta, Linn.f... Ernst, VL PI. CCXLIX. f. 370. 



a. c. f. g. h. 

 Curtis, Brit. Ent. PI. 256. Larva 

 et Imago. 



^ 3. Xyl. 



* Characters from Curtis. Brit. Ent. VI. pi. 236. 

 •j- Calocampa, Steph.* 

 " Patpi short, oblique, robust ; triarticulate, densely squamous, the terminal 



joint 



' Kuh/i pulchia, KUf^TTYi eruca. 



