1874.] 353 [Hagen. 



ments one and two with larger yellowish spots besides ; segments three 

 to eight with an obscure (green ?) spot each side ; abdomen beneath 

 brown; earlets rounded, flattened, with a double series of small black 

 spines on the border; apical margin of the last segment rounded, 

 with excavation before the tip ; superior appendages as long as the 

 two last segments together, black, ciliated inside, narrow, foliaceous, 

 curved inwards and downwards; the square between them ovoid; 

 basal third narrower, cylindrical, with two small inferior teeth, one 

 before the middle, the other at the end of the basal third; beyond 

 the middle rectilinear, flattened, sides parallel, rounded at tip; in- 

 ferior appendage black, about half as long, widely cmarginated down 

 to its middle, the two parts narrow, sharp, curved upwards a little; 

 anterios piece bifid, forming two strong spines; anterior hooks ovoid, 

 large, with a basal interior elevation; posterior hooks cylindrical, 

 recurved on tip; sheath of the penis black, deeply excavated, with 

 two lateral strong erect horns, flattened and strongly incurved; 

 feet long, thin, black, femora rufous above, tibia? with moderate 

 spines; wings hyaline, with a very slight yellow basal tinge on all 

 wings, veins black, the costa and the transversal veins near the costal 

 margin to the nodus yellow; membranule whitish grey; pterostigma 

 sliort rhomboid, broad, rufous, covering one and one-half areolets ; 

 thirteen antecubitals, seven postcubitals on the anterior wings; eight 

 antecubitals, seven postcubitals on the hind wings; triangle with one 

 transversal vein, two series of discoidals ; areolets in the wing rather 

 large; nodal sector single; anal angle of the hind wings marked; 

 one transversal in the anal triangle. % 



Length of the body without app. 53 mill.; abdomen 38; super, 

 app. 5 ; pterostigma 2 ; poster, femur 9 ; alar. exp. 72 ; head 8. 



Female. Head, thorax, legs and wings similar to the male ; abdo- 

 men more inflated on the base, the third and the following equally 

 contracted, the following ones thicker, spotted just as the male; in 

 Abbot's figure the spots are larger, greenish white, except the basal 

 ones on the second segment, which are yellowish green, as in the 

 male ; the eyes are figured darker, brownish, the spots on the thorax 

 also darker; last segment short, cut straight; the appendages as long 

 as the last segment, black, short, flat, straight, rounded on tip; vul- 

 var-hames short, black, with two long black palpi ; last segment be- 

 neath produced, covered with spines; twelve to thirteen antecubitals; 

 six to seven postcubitals on the anterior wings. 



Length of the body 50-54 mill. ; abdomen 34-38 ; append. 1-|; alar, 

 exp. 66-70. 



PROCEEDINGS B. S. N. H. — VOL. XVI. 23 JULY, 1874. 



