84. 



XANTHIA CENTRAGO. 



The Centre-barred Sallow. 



Order Lepidoptera. Fam. Noctuadse Lat.^ Leach. 



Txjpe of the Genus Noctua flavago Fab. 

 Xanthia Hub., Och. Noctua Liyin., Fab., Haw. 



Antenme rather long and robust, setaceous, composed of nume- 

 rous transverse joints covered with scales above, ciliated trans- 

 versely beneath (1 a, several joints magnified). 

 Maxillce nearly as long as the antennse, somewhat robust (3). 

 Labial Palpi projecting somewhat obliquely (4), thickly covered 

 with long scales, the terminal joint with smaller and shorter 

 scales (4), 3-jointed, 1st joint curved upward, 2nd very long at- 

 tenuated, 3rd slender, somewhat conic-ovate (4 a, the scales 

 being removed). 

 Head rounded. Thorax crested. Abdomen not very robust, cylindric 

 or angular. Wings defiexed when at rest, superior slightly falcate. 

 Thighs thickly covered with long woolly scales. Tibiae, anterior with 

 a long flat spine on the internal side, the others terminated by a pair 

 of spurs, the posterior having an additional pair below the middle. 

 Tami 5 -jointed, \st joint rather long. Claws bijid. Pulvilli horny 

 (8, afore leg). 

 Larvae with 6 pectoral, 8 abdominal, and 2 anal feet. 



Centrago Haw. Lep. Brit. p. 236. n. 219. 



Aureous or orange- colour. Head thorax and antennae dull 

 reddish orange. Superior wings with a reddish brown bar in 

 the centre, broadest towards the costa, where it is nearly obso- 

 lete, a stripe of the same colour with a sinuated edge, not ex- 

 tending to the apex next the cilia. Inferior wings pale, whitish 

 at their base, reddish yellow at their margin, with 2 obscure 

 lines of the same colour near the middle. Cilia orange brown. 

 Beneath straw colour, reddish brown towards tiie margins. 



In the Cabinets of Mr. Dale, Mr. Haworth, and the Author. 



The generic characters drawn above are unfortunately with- 

 out a knowledge of the ideas of Hiibner and Ochsenheimer 



