^scJma, 1 97 



Mon. Lib. Eur. io8 (1840); Evans Brit. Lib. 21, 11, f. i 

 (1845). yEsc/nia juiicca, Charp. Lib. Eur. 103, t. 23 (1840). 

 Libelliila varia, Shaw, Gen. Zool. vi., 242, t. 80 (1806). 

 IJbelliila cciica, Sulz. Kennz. d. Ins., t. 17, f. loi (1761). 



MUller's description. 



Libellula c^anea alis albidis, puncto marginali nigro : 

 lineis sex thoracis sulphureis. (O. E. Miiller, "Fauna 

 Insectorum Eridrichsdalina," p. 61, n. 541, 1764.) 



Size. 



Length of Male, 74mm ; expanse of wings, 102mm. to 

 104mm. Length of Eemale, 71mm. to 74- 5mm. ; expanse 

 of wings, io6mm. to iiomm. 



Male Imago. 



Face greenish-x'ellow ; labium orange-yellow ; margin 

 of labium and labrum dark brown ; rhinarium brown or 

 yellowish ; suture between nasus and frons a fine dark 

 brown line ; on top of frons a triangular black spot 

 connected b}- stalk to the black line in front of eyes ; 

 top of vertex )'ellow. Eyes blue, in contact for a long 

 distance ; behind eyes a lengthened triangular yellow 

 spot. Proihorax small, brownish-black, pale \-ellow in 

 places. Thorax dark brown, two large oval greenish- 

 x-ellow spots in front, two broad yello\\- oblique ones 

 with other \'ellow markings between them on sides ; 

 spots at attachment of wings and projections between 

 them greenish-yellow. Legs dark brown-black, with the 

 underside of fore femora yellowish. Wuigs transparent, 

 generally with a very pale sepia suffusion, especially in 

 old specimens ; hind-wings rather sharply pointed at 



