ANNETTE F. BRAUX. 319 



I^ithocollelis celtiToliella Cliambers. 



Plate XXIII, Fig. 5. 



LithocoUetis celtifoliella Chambers, Can. Eiit.. iii, 123, 1871. — Bull. Geol. Siirv. 



Terr., iv, 118, 1878.— Wal.siugliam, Ins. Life, ii, 52, 1889. -Dyar, Bull. 



52, U. S. Nat. Mus.. 1902, Xo. 6286. 

 "Face and palpi silvery white, the palpi on their outer surface saffron, flecked 

 with brown. Antennae brown, annulate with white, and flecked with blackish 

 scales. Tuft reddish saffron, with white scales intermixed. Thorax reddish 

 saffron anteriorly, passing into brown toward the apex, sparsely flecked with 

 white, and with the usual white line (sometimes absent), across the anterior mar- 

 gin produced backwards over the teguhe and on to the wings, where it is con- 

 fluent with a narrow median white basal streak which is strongly dark margined 

 dorsally, the dark margin being produced beyond it nearly to the middle of the 

 wing. Anterior wings reddish saffron, the dorsal margin nearly to the cilia, 

 thickly dusted with dark brown on a white ground, and with a streak of dark 

 brown extending to the basal streak not far from the base. Three fascia;, rather 

 indefinitely bounded, of dark brown upon a white ground ; all strongly angula- 

 ted posteriorly about the middle, the third one slightly interrupted near the 

 costa and passing gradually into a costo-apical patch of dark brown on a white 

 ground. The first fascia is just before the middle ; the second is about the mid- 

 dle, and each sends a white streak fi-om its angle nearly to the next fascia. 

 There is a dorso-apical patch of dense dark brown dusting on a white ground, 

 larger than the costo-apical one above mentioned. Cilia pale reddish saffron, 

 with a dark brown hinder marginal line in the cilia. Sometimes almost the 

 entire thorax and dorsal margins of the wings are densely dusted with dark 

 brown on a white ground, whilst the first and second fascise blend with each 

 other near the dorsal margin, and the third fascia blends with the dorso-apical 

 dusting. It varies in the extent and intensity of the dusting. Under surface sil- 

 very white, with a patch of dark brown dusting on each side of of each abdomi- 

 nal segment. Legs silvery white, with the anterior tibiae and tarsi reddish saf- 

 fron, dusted thickly with dark brown, and the intermediate and posterior tibiae 

 and tarsi spotted and annulate with dark brown. Alar expanse one-fourth inch. 

 Kentucky. Not common. The larva is cylindrical, yellowish, and makes a tent 

 mine on the under surface of the leaves of the liackberry (Celth occidentalis L.)." 



The above extract from the Can. Ent., iii, 128, 1871, i.s Chambers' 

 original description of the species with his note upon the larval stage. 



There is great variation in the density of the dark dusting; in 

 one specimen the white fasciae are distinctly present as narrow white 

 lines, beyond what would in this case be considered their internal 

 dusting (the three dark brown fascise of which Chambers speaks). 

 The first of these fasciae reaches the costa at about the basal third. 

 Often the basal streak is overlaid with black dusting, which then 

 occupies the basal portion of the wing below the fold. This species 

 is much less common than L. celtUella Chambers, which mines the 

 upper surface of Celtis. 



TRANS. AM. KNT. 80C., XXXIV. OCTOBER, 1908. 



