^^ 



364. 



ORTHOT/ENIA TURIONELLA. 



The oraiiire and silver ribbon Moth. 



Order Lepidoptera. Fam. Tortricida?. 



Type of the Genus, Tinea Turionella Lmti. 



Orthot^enia Sle., Curt. — Tortrix Haw., Don. — Tinea Linn. 



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

 much shorter than the body, capillary, composed of numerous 

 joints, clothed with scales above, pubescent beneath, especially 

 towards the apex ; basal joint robust (I a, basal portion). 

 Maxilla spiral, shorter than the palpi and very slender (3). 

 Labial Palpi porrected horizontally, thickly clothed with scales, 

 terminal joint very distinct (4): Inarticulate, basal joint short, 

 2nd long robust, and somewhat incrassated near the apex, 

 which is rounded, 3rd joint as short as the 1st, slender subfusi- 

 form (4 a). 



Head clothed with coarse and loose scales. Eyes suhglobose. Thorax 

 smooth, with 2 large lateral lobes. Abdomen rather short and 

 tufted at the apex in the male, conical in the female. Wings, 

 superior rather elongated and narrow, more or less banded with 

 different colours. Thighs slender. Tibiae, anterior very short, 

 posterior long and clothed with long hairy scales, with 2 spines a 

 little below the middle and 2 at the apex. Tarsi 5-jointecl, basal 

 joint the longest (Sf, hind teg). 



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

 Pupae rather slender. 



Turionella Linn. Faun. Suec. 365.1420. — Turionana Haw. 399. 14. 

 Curtis' s Guide, Gen. 960. 1 1. 



Shining cinereous-grey. Palpi, head and antennae yellowish 

 white : thorax and superior wings ferruginous-orange, the latter 

 with 4 transverse, irregular, silvery strigae, the 2nd and 4th 

 furcate at the costa, the 3rd forming a ring in the centre, also 

 an abbreviated silvery line near to the posterior margin : cilia 

 pale with a blackish line near the base: anterior coxas and thighs 

 orange. 



In the Author's and other Cabinets. 



This Genus has never before been described : although the 

 name Orthotaenia has been given to a portion of it, I have 

 adopted that appellation, which characterizes the whole very 

 well. I must refer to my Guide, which is now completed, for 

 a hst of the species and their synonyms ; as I am desirous of 

 describing some nondescripts, and giving the localities of 

 others. 



1. O. formosana Curtis' s Guide. 



Pale fuscous : thorax and superior wings rosy-chestnut, the latter with 



