38 PLATE CCLXVI. 



fimilar to thofe.of the other fex, but of a reddlfli colour. The 

 charaderiftic black line, with white fpots on the pofterior wing, is 

 the fame as in the male Infedl, 



This Moth derives its fpecific name, Lemnata, from the food of 

 its Caterpillar, or larva, which is ufually fome fpecies of lemnay 

 (duckweed) or other aquatic plant. In the winged ftate it is a very- 

 common Infefl, particularly in marlhy ground, and the fides of ponds 

 and ditches. In general we find two broods of them in the fijmmer ; 

 the firft appears in May^ the fecorid in July or Auguft. 



F I G. IIL 



PHALjENA decussata, 



Pretty Widow Moth. 

 Geometra. 



SPECIFIC CHARACTER. 



Antennas fetaceous. Wings cinereous, with four black (Ireaks? 

 the two middle ones of a ferpentine form, and croffing each other. 

 Several undulated dotted black lines. 



Phal^na Decussata: felicornls, alis cinereisj ftrigis quatuor, 

 mediis decuffatim flexuofis, lineolis undulatjs atomif- 

 que nigris. 



A rare and new fpecies. It has been taken at Faverfliam by Mr. 

 Crewe, and trivially named the Pretty Widow Moth. 



FIG. 



