3 8 PLATE CCLXVI. 



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

 charaaeriftic, black line, with white fpots on the poftenor wing, is 

 the fame as in the male infeft. 



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

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

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

 common Infea, particularly in marfhy ground, and the fides of ponds 

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

 the firft appears in May, the fecond in July or Auguft. 



F I G. III. 



PHAL^NA DECUSSATA. 

 Pretty Widow Moth. 



Geometra. 



SPECIFIC CHARACTER. 



Antennae fetaceous : wings cinereous, with four black ftreaks, 

 the two middle ones flexuous and decufiating each other, and little 

 waved lines and fpecks of black. 



Phal^elna Decussata: feticornis, alis cinereis; flrigis quatuor, 

 mediis decuflatim flexuofis, lineolis undulatis atomif- 

 que nigris. 



A rare and curious fpecies. It has been taken at Faverfham by Mr. 

 Crewe, and trivially named the Pretty Widow Moth, 



FIG. 



