NOTODONTID^.— LEIOCAMPA- 25 



palpi very minute. The larvae are smooth on the back, and change 

 to pupse in a folliculus composed of pieces of wood united by silk. 



Sp. 1. dictaea. Alis anticis exustis, inarginibus fuscis plagdque media albidd ; 



posticis albis, liturd anali fused. (Exp. alar. $ 2 unc. : ? 2 unc. 3 — 4 lin.) 

 Ph. Bo. dictaea. Linne. — Ph. trepida. Don. vii. pi. 239. f. 1. — Lei. dictaea. 



iiteph. Catal. No. 5971. 



Head and thorax brown-gray, mixed with white ; abdomen rusty-gray : anterior 

 wings grayish- white, the costa clouded with fuscous, with two or three ab- 

 breviated oblique black dashes towards the apex ; the interior margin broadly 

 black, with an irregular broken whitish streak interiorly, and intersected to- 

 wards the anal angle by a few grayish dashes ; the posterior margin with a 

 grayish streak, followed by an interrupted blackish one : posterior wings white, 

 with a dusky patch at the anal angle, intersected by a grayish streak. 



Caterpillar reddish-brown, green on the sides and glossed with violet above, 

 with a black dorsal streak: it feeds on poplar, wiUow, and birch, and is found 

 in July and September : the imago occurs in the beginning of August and 

 June. 



Not common ; taken at Coombe and Darenth woods, and near 

 Dover. " Epping." — Mr. H. Doubleday. " Near York, on wil- 

 lows, rarely." — W. C. Hezvilson, Esq. 



Sp. dictaeoides. Alis anticis exustis, plagd alba maculdque anguli interioris 

 triangulari albd, posticis fuscescentibus, liturd anali fused. (Exp. alar. $ 2 

 unc. : 9 2 unc. 2 — 4 hn.) 



Bo. dictaeoides. Esper. — Lei. dictaeoides. Steph. Catal. No. 5972. 



Head and thorax brown-gray, varied with white, the centre of the latter reddish, 

 with a transverse dusky-brown streak anteriorly, and two longitudinal ones on 

 the back; abdomen ashy-gray: anterior wings whitish-gray, with several 

 obKque abbreviated deep black patches towards the apex of the costa, the 

 inner edge broadly umbre, with a broad black streak, slightly edged with 

 white, at the base, towards the middle, and bearing an elongate, triangular, 

 broad white patch at the hinder angle ; the hinder margin also of an umbre 

 tinge, with a whitish streak margined with black, the latter intersected by 

 white; cilia umbre, whitish at the edges: posterior wings dirty- white or 

 dusky in the male, whitish in the female, with a broad dusky patch at the 

 anal angle. 



Caterpillar Ught-green, with a yellow lateral stripe, and a hue on the anal pro- 

 tuberance : it is found on the poplar, willow, and birch. 



Not SO common as the last, but found in the same woods rather 

 later in the season. 



