DYSGONIIDyE. 165 



ACH^A MEZENTIA (Plate 169, Fig. 1,^). 



Phalcena Noctua mezeniia, Cramer, Pap. Exot. iv. p. 70, pi. 323, fig. v (17S2). 



Noctua mezentina, Fabricius, Ent. Syst. iii. 2, p. 41 (1794). 



Achcea mezentia, Hiibner, Verz. bek. Schmett. p. 269 ; Guenee, Noct. iii. p. 248 ; Walker, Catal. Lep. 



Het. B. M. xiv. p. 1397. 

 Sypna lugcns, Walker, Catal. Lep. llet. B. JI. xxxiii. p. 938 (1865), 5. 



Male and female : forewing blackish-brown, crossed by basal, medial, and discal 

 sinuous black lines, wliich are broadly interspaced and bordered with either pale 

 ochreous or cinereous-gi'ey speckled fascice ; a similar speckled curved apical patch ; 

 a dark brown punctiform orbicular spot, and a reniform mark ; a marginal row of 

 black-tipt white points : hindwiug dusky black, tinged with blue at the base ; witli 

 a large broad cinereous-white apical band. Thorax and head dark brown, speckled 

 with cinereous scales ; palpi and legs above cinereous-brown ; abdomen dark brown, 

 tinged with blue. 



Expanse If to 2f inches. 



ACH.ffiA REVEESA (Plate 169, Fig. 2,^, 2a, larva). 

 Achcea reversa, Walker, Catal. Lep. Het. B. M. xiv. p. 1399 (1858), ?. 



Male and female : forewing dark brown, numerously covered with uniformly 

 disposed cinereous-grey speckles ; crossed by an indistinct blackish discal sinuous 

 line, and a marginal row of black-tipt white points : hindwing dusky black, tinged 

 with blue ; with a broad cinereous-white apical band. Body dark brown ; thorax, 

 head, palpi, and legs above, grey-speckled ; abdomen tinged with blue. 



Expanse 2^^ to 2|- inches. 



Larva elongated ; with sixteen legs ; two yellowish dorsal pointed tubercles on 

 twelfth segment ; colour olivaceous-grey, with a paler lateral band, pinkish beneath ; 

 numerously covered with slender black longitudinal lines ; head yellowish, with 

 slender black marks ; legs pinkish. Pupa purplish-black. 



" Feeds on Carthium." {Tlmaites.) 



This may be a varietal form of yl. mezentia. 



ACH^A COMBINANS (Plate 169, Fig. 3). 

 AchcBa combinans, Walker, Catal. Lep. Het. B. M. xiv. p. 1399 (1858). 

 Male and female : forewing violet-])rown ; crossed by faintly defined glaucescent 

 fasciEe ; a sHghtly darker brown orbicular dot and reniform mark ; a pui'plish- 

 ochreous apical costal patch, which is excavated below the tip : hindwing violet- 

 brown, with a broad bright yellow transverse apical baud. Body, palpi, and legs 

 above, violet-brown ; legs with pale yellow bands. 

 Expanse, (? If , 2 1| inch. 



