ANNETTE F. BRAUN. 285 



The hindwings moderately dark gray, their cilia somewhat lighter. Underside 

 brownish dark gray. The second white dorsal spot usually shows through as a 

 lighter shade. 



The larvae have almost the same habits as those of quercitorum on the under- 

 side of leaves of Quercus Prinus L. and Quercus Castanea Willd. However, the 

 mine is more wrinkled, and hence the leaf is more strongly drawn together and 

 is somewhat gray. 



The imagoes emerge in April and May. 



The above is a translation of Frey's original description (Stett. 

 ent. Zeit., xxxiv, 208, 1873). 



The tuft is saffron brown at the sides. Thorax white, except a 

 narrow brown stripe across the anterior edge of the patagia. The 

 position of a fourth dorsal streak above the torn us is indicated 

 by its dark margin. On large specimens a fifth small white costal 

 streak is sometimes present. The apex of the large white basal 

 dorsal streak is above the fold, not on the fold. Alar expanse 

 7.5-10 mm. 



I have bred this species from mines on the underside of Quercus 

 platanoides (Lam.) Sudw. The pupa is suspended in a few silken 



threads. 



Lithocolletis arbutusella sp. nov. 



Plate XXI, Fig. 12. 



Male. Antennae whitish, annulate with gray. Face and palpi yellowish 

 white. Tuft brown, mixed with ochreous and white scales. 



Thorax whitish, with the anterior portion darkened with grayish brown 

 scales. Forewings pale reddish ochreous. At the basal fourth of the dorsum, 

 there is a curved oblique line of brown scales, uniting at a very acute angle with 

 a shorter curved costal line, thus enclosing a white basal patch, suffused with 

 pale ocherous toward the base and costa and darkened along the costa, with 

 grayish brown scales. There is a small patch of similar dark scales on the dor- 

 sum near the base. Just before the middle of the wing is an oblique white cos- 

 tal streak dark margined on both sides. Nearly opposite it is a large oblique 

 curved dorsal streak also dark margined on both sides, the dark margin being 

 continued from the apex along the middle of the wing to the apex of the second 

 dorsal streak. The anterior margin of the second very broad dorsal streak is 

 formed by a line of brown scales beginning on the dorsum a little anterior to the 

 apex of the first dorsal streak, bent backward along the fold, then directed up- 

 ward. The nearly perpendicular external margin of this streak is formed of a 

 few scattered scales. Second costal streak very long, narrow and oblique, mar- 

 gined internally only, and ending just above the apex of the second dorsal 

 streak. From here to near the apex, the middle of the wing is dusted with 

 whitish scales. Third costal streak triangular and inwardly oblique. Fourth 

 costal streak small. A small patch of brown scales in the apical portion of the 

 wing, from which an indistinct line of brown scales extends to the tornus. A 

 brown line in the cilia passes around the apex from the fourth costal streak to 

 the tornus. Cilia pale grayish. Alar expanse 8 mm. 



TRANS. AM. KNT. SOC., XXXIV. SEPTEMBER, 1908. 



