TORTRICINA. 315 



same manner. Towards the centre of the wing is an ochreous cloud 

 bearing a number of umber spots, which are somewhat elevated into 

 knots. The dorsal margin faintly maculated with dusky spots. 

 Apical scales and cilia primrose-colour. Posterior wings glossy, fus- 

 cous, grey. Marginal scales pale fuscous, especially towards the apex. 

 Cilia straw-colour. Abdomen straw-colour, inclining to ochreous at 

 the base and apex. $ Exp. al. 11-13 lin., of richer colour than the 

 <3 , and the markings more indicated. 



Not uncommon on the south coast of England ; variable in 

 size and colour ; allied to L. straminea, but its larger size and 

 more mottled anterior wings distinguish it. 



The imago appears in June and July, and occurs at Southend, 

 near Deal, Dover, Folkestone, and some other places. 



Genus IX. XANTHOSETIA, STEPHENS. 



Palpi twice the length of the head, slightly ascending, compressed, 

 adpressed. Basal joint stout, truncate ; apical slender, cylindrical, 

 not so long as the basal ; middle arcuated, thickest in the middle, 

 five times as long as the apical. Maxillae stout, not so long as the 

 palpi. Thorax robust, subovate, trigonate, and with a small tuft 

 behind. Anterior wings : length more than twice the width ; costa 

 regularly arcuated ; apex acute ; apical margin obliquely truncate 

 or slightly concave ; dorsal margin rounded. The costal vein reaches 

 the margin about the middle. Subcostal nervures not equidistant. 

 Discoidal cell capacious, widest before its apex, lying towards the 

 middle of the wing, and extending only three-fifths its length. 

 Posterior wings elongate ; apex obtuse ; apical margin concave, anal 

 angle slightly produced. Abdomen long and slender, stouter in the 

 5 ; a small tuft at the apex in both sexes. 



The insects of this genus may be known by the bright yellow 

 colour of the anterior wings, and the markings not being par- 

 allel with the apical margin ; they are above the average size, 

 and have the palpi very long and adpressed. The larvae are 

 most probably root-feeders (one known to be so). The British 

 species are two in number, and there are two or three others 

 occurring on the Continent. 



The British species are thus arranged : 



A. Anterior wings without a broad ferruginous patch 



at the apex Species . 1 



B. Anterior wings with a broad ferruginous patch at 



the apex, bearing a round yellow spot . . . . Species . 2 



