6^ HAUStELLATA. — LEPIDOPTERA. 



three have been taken near Birch-wood in different years, and one 

 has been found in Epping Forest. " Barham." — Rev. W. Kirby^ 



Sp. 4. trapezina. Alis anticis griseis, Jlavicantibus vel rufescentihus strigis 

 saturatioribus, puncto medio nigro, marginecjue postico nigro punctata. (Exp. 

 alar. 1 unc. 3 — 5 lin.) 



Ph. No. trapezina. Linne. — Co. trapezina. Steph. Catal. part ii. p. 97. No. 

 6315. Dun-bar. Harris, pi. x.f. n — v. 



Extremely variable: head and thorax plain griseous^ yellowish, or rufous; anterior 

 wings the same, with darker shades, with a delicate abbreviated fuscous striga 

 at the base, an obhque distinct one, edged wiih whitish anteriorly before the 

 middle, and a third arcuated one behind, approximating towards the second 

 on the inner margin, and whitish exteriorly ; between the last and the hinder 

 margin is a slightly undulated pale striga, which is sometimes very obscure 

 and somewhat interrupted ; on the hinder margin is a row of minute black 

 spots, the stigmata are rather obscure, the margins alone being visible, with a 

 black spot at the base of the posterior one : between them is generally a rather 

 broad somewhat angled dusky fascia: posterior wings fuscous, with the costa 

 yellowish, and cilia rufous. 



In some examples, the space between the second and third strigas is suffused with 

 fuscous, and others are of a nearly uniform tint ; in colour scarcely two in- 

 dividuals agree : in some the posterior wings are rufous, with a fuscous fimbria, 

 while others have the margin ochraceous, with rufous or luteous cilia. 



Caterpillar green or dusky, with cinereous streaks and yellowish spots : — it feeds 

 on various trees, as the oak, lime, hazel, birch, poplar, &c. and does not hesitate 

 to attack other larvse and devour them, as well as its own species ; hence (in 

 common with the larva of Glaea satellitia) called the Monster : — the imagd is 

 produced towards the end of July, and continues for some time. 



Extremely abundant, not only throughout the metropolitan 

 district, but in more distant parts, as Devonshire, Glamorganshire, 

 Shropshire, &c. 



Sp. 5. fulvago. Alis anticis Jlavescentibus aut luteis, strigis duabus subferrugineis, 

 stigmatibus pallidioribus, posteriori macula nigra. (Exp. alar. 1 unc. 5 — 8 

 lin.) 



No. fulvago. Wien. F.— Co. fulvago. Steph. Catal. part ii. p. 97. No. 6316. 

 No. angulago. Hatchett, in Entom. Trans, i. pi. 5.Jig. sup. 



Head and thorax plain yellow or luteous ; anterior wings the same, w^ith an ob- 

 scure abbreviated striga at the base, a distinct one-angled striga before the 

 middle, and a somewhat sinuated one behind the middle, of a ferruginous hue; 

 the latter is followed by an obscure undated striga ; and on the hinder margin 

 itself are some more or less distinct dusky ferruginous spots : cilia a little 

 tinted with ferruginous at the apex ; stigmata rather pale, the margin sUghtly 

 ferruginous, the posterior one with a fuscescent spot at its base ; abdomen and 

 posterior wings of a yellowish-white or straw-colour. 



