fs 



J- /^^f 



36. 

 LITHOSIA MUSCERDA. 



Order Lepidoptera. Fam. Tineidse Lat., Leach. 



Type of the Genus Noctua complana Linn. 

 LiTHOSiA Fab., Lat., Hate. Noctua Linn. Bombyx Hiib. 



Antennce remote, covered with long scales above, hairy beneath, 

 pectinated (under a lens), the pectinations arising from the centre 

 of the joints on each side. (1. and 1. a.) 



Labrum and "i 



M iJ'II j-attached to the clypeus. 



Maxillce long and spiral. (3.) 



Palpi two, generally shorter than the head (7. a.) ; covered with 

 various scales, the apex nearly naked (4.) ; 2-jointed, first joint 

 long, cylindric, attenuated, curved upward, second joint small, 

 somewhat rhomboid. (4. a.) 

 Head short, covered with close scales (not hairy in front). Eyes re- 

 mote. Wings lonff, oblong, somewhat elliptic, incumbent or convo- 

 lute. Inferior ones much folded. Anterior legs with the cox(b long 

 and robust. Thighs very long and slender. Tibise short and slender. 

 Tarsi ^-jointed. PulviUi distinct. Claws obscure. (8. a fore-leg.) 



MusCERDA Hub. Bomb.pl. 24./. 103. 



Fuscous tinged with pink and yellow, towards the costa pale 

 straw colour ; five iiTegular small black spots in the superior 

 wings, the first upon the costa, the two following forming an 

 oblique line towards the posterior margin, and two others near 

 the centre. 



In the Cabinet of Mr. Sparshall. 



Two specimens of this extremely rare insect (drawn rather 

 larger than the life) were found by Mr. Joseph Sparshall, at the 

 end of June, upon the marshes at Horning, Norfolk, in ditches, 

 floating on the water. The other species belonging to this 

 Genus are, 1. L.flava Fab. ; 2. mirantia Haw. ; 3. ockreola Hub. ; 

 4. helveola Hub.; 5. complana Linn.; 6. griseola Hub.; and 

 7. quadra Linn. 



