24 TORTRICINA. 



v 



1849, and informs us that this species will come to light, a 

 peculiarity not noticed with others of the genus, except A. 

 ochroleucana. It has been captured at Swanscombe Wood, and 

 appears to be confined to the south of England. 



The larva is of a beautiful bright green colour, and spins 

 together the topmost shoots of Salix Caprcea ; it is to be met 

 with in May atWestWickham Wood, and also at Epping Forest. 



4. praelongana, Guen. Alis anticis niveis ; basi pone medium albo, 

 fusco, brunneo, nigro cseruleoque variegatis ; macula alba quadrata 

 margine costali ante medium ; apice fusco strigato, maculis atris 

 oblongis longitudinalibus ; posticis griseo-fuscis. 3 Exp. al. 

 8-81 lin. 



Head : on vertex smoky black, behind with the scales tipped with 

 grey, ochreous brown over the eyes. Face smoky black, mixed with 

 grey scales below the antennae. Eyes black, slightly shining. Palpi : 

 above dusky brown at apex, mixed with whitish scales towards the 

 base ; at the sides the base is white ; the apex dusky brown mixed 

 with white ; beneath white. Antennae dark brown, the lower por- 

 tion of the basal joint clothed with blackish scales, its apex white. 

 Thorax hoary or dark brown, streaked transversely with black ; the 

 crest black, or intense brown. Patagia variegated with black, 

 brown, and hoary scales. Anterior wdngs snow-white, with a dull 

 dark cloud at base extending halfway along the costa, and very near 

 the anal angle on the dorsal margin ; the upper half of its posterior 

 edge nearly straight, the remainder bulging outwards into one or two 

 nodes; the basal patch is angulated in the middle, as also is the 

 interior edge of the central fascia ; they are both mottled with 

 fuscous and iron-grey, and streaked longitudinally with strong black 

 Hues, the darker ones finely edged with white or pale ochreous ; the 

 space between the fascia and the basal patch is coloured in the same 

 manner, except at the costa, where it is white (sometimes closely 

 streaked with fuscous and grey), and one or two small white roundish 

 spots with fuscous centres towards the dorsal margin . At the apex, 

 sometimes extending to the anal angle, is a fuscous cloud sprinkled 

 with white, with two broad streaks within, one fuscous, the inner- 

 most grey ; both maculated with black. The costa broadly streaked 

 throughout with black and grey. Apical scales dark browu, tipped 

 with pale ochreous. Cilia shining, smoky black, both becoming 

 white at the anal angle. Posterior wings fuscous, darkest at the 

 margin. Marginal scales fuscous, with luteous bases. Cilia white, 

 except at the apex, where they are fuscous. Abdomen fuscous and 

 shining grey, the caudal tuft dull drab. $ Exp.al. 10 liu. In colour 

 darker than the 3 , aud more distinct. 



This is an uncommon and most beautiful species, subject to 

 some variation in the intensity of the markings composing the 



