EXPLAN ATION OF PLATE XXL 
$ ag nymphaeae (in. ) D: ror. 
Fic. I —Wings. 4 
,  2.—Cauda of alate female. 
»  3-—Antenna of alate female. . 
» 4. Apterous viviparous female. weer ait a 
» 5.—Cornicle of apterous female. TRS Pin 
,,  6.—Cornicle of alate female. | Pret 
»  7-—Antenna of alate female. | 
_,, 8.—Antenna of apterous female. : 
Fics. 9 and 10.—-Pattern of external glands. ge nae en 
Fic. 11.—Antenna of “return migrant.” 
_,, 12.—Antenna of alate male. / 
_,, 13.—Anal end of alate male showing the cauda reflected, the genital arma- 
ture and the penis. 
tire MER 2 ee, - 
RENOM PESTE A 
