CHLOROOLYSTISj 



HYDRIOMENIDAE 



183 



Nt'uratiuii of Chloroclystis 

 rectangulata. 



curved, posterior twice angulated, lower angle more proaiiiient ; 

 a black discal mark. Hindwings as forewings. 



Britain to Ross, Ireland, common ; N. and C. Europe ; 6, 7. 

 Larva rather stout, pale yellowish- 

 green ; dorsal line sometimes darker 

 green or dull red ; spiracular darker ; 

 incisions reddish : on flowei's of apple 

 and pear; 4, 5. Sometimes injurious 

 in orchai'ds. 



3. C. debiliata, Hb. 17-21 mm. 

 Abdomen with broad blackish sub- 

 basal ring. Forewings very pale 

 green or green-whitish, with fuscous- 

 grey striae, darker on costa ; edges 

 of median band blackish - dotted, 

 anterior curved, posterior twice ob- 

 tusely angulated ; a blackish discal 

 dot. Hindwings as forewings. 



Hants, Devon, Stafford, Lanca- 

 shire, Aberdeen, W. and S. Ireland, 

 local ; C. Europe ; 6. Larva rather stout, dull, yellowish-green ; 

 dorsal line darker ; spiracular dull yellow ; head brown or 

 blackish : on Vaccinium ; 4, 5. 



5. Gtmnoscelis, Ilab. 



Face with short cone of scales. Antennae in S ciliated. 

 Palpi rough -scaled. Abdomen crested. Tibial middle -spurs 

 absent. Forewings: areole simple, 11 sometimes anastomosing 

 with or running into 12. Hindwings: 8 anastomosing with 

 cell to beyond middle. 



There is only one European species, but several others are 

 known from the Canary Isles, Indo- Malayan region, and 

 Polynesia. 



1. Gr. pumilata, Zr6. 14-20 mm. Forewings rather elongate, 

 pale brownish-ochreous, somewhat mixed with whitish, with 

 fuscous striae ; fasciae mixed or suffused with dull reddish, 

 partly black-sprinkled ; anterior edge of median band angulated 

 near costa, posterior black-marked, obtusely angulated in 

 middle. Hindwings as forewings. 



Britain to the Orkneys, Ireland, common ; W. and S. Europe 

 to Turkestan ; 4, 5, 7, 8. Larva reddish-ochreous-grey or 

 reddish-lirown ; dorsal line blackish-grey, marked with a series 

 of triangular yellow-edged spots ; lateral yellow, edged with 



