62 THERA CONIFERATA. 



made by Mr. Buckler, is to bring together their dis- 

 tinctive marks more fully. 



They are all shortish smooth loopers, coloured with 

 various tints of green. 



Thera simulata (T. conifer ata) . — The larva is about 

 five-eighths of an inch in length, stouter than that of 

 the other species. The head is yellowish-green ; the 

 back pale greenish-blue ; the dorsal line slender, of 

 dull grass-green ; the subdorsal stripe of the same 

 colour; below this comes a white stripe, and then a 

 broad stripe of the dark green, reaching to the 

 spiracles, and there edged with dark brown ; between 

 this and the legs is a pale yellowish stripe ; the legs 

 are greenish. 



(For the descriptions of the other two species, see 

 under T. variata and T. firmata.) 



(John Hellins, 23rd January, 1867; B.M.M., May, 

 1867, III, 277.) 



Theiia variata. 



Plate CXXXVIII, fig. 3. 



The larva of T. obeliscata (T. variata) is the same 

 length as that of T. simulata (T. conifer ata) ; the anal 

 segment is pointed, and very minutely bifurcated at the 

 extremity ; the head bent under, in colour green ; the 

 back bluish-green ; the dorsal line darker green, and 

 edged with lines paler than the ground colour ; the 

 subdorsal line commencing on the second segment as a 

 yellowish-white line, then widening into a broad stripe, 

 and assuming a blue tinge edged with white, till the 

 tenth segment, when it contracts, and assumes the 

 yellowish tint again ; below the spiracles a fine 

 yellowish-white line, but broader at each end ; the 

 belly green, with a central yellow line, and on either 

 side an indistinct whitish line. Legs tinged with red. 

 (John Hellins, 23rd January, 1867; E.M.M., May, 

 1867, III, 278.) 



