254 British Drago)ij!ies. 



Legs black ; cox?e yellow. Wings hyaline. Pterostigvia 

 small, rhomboidal, with upper distal corner more acute, 

 brown, black in centre. Abdonioi crimson, with black 

 sutures, those between the basal segments being pre- 

 ceded by two yellow dots, and succeeded by a yellow 

 line ; segment i with a large transverse bronze-black 

 spot ; 7, 8, and 9 with a large basal spot, that on 7 

 occupying the greater part of the segment ; 10, with 

 two small basal spots ; ventral surface yellow, with black 

 middle line. Anal appendages, upper divided into two 

 rather slender projections, blackish, with the points of 

 the higher division incurved ; lower reddish, conical, 

 with an internal swelling and final incurved hook, much 

 stouter at the base than the upper ones. 



Female Imago. 



Generally much more bulky than the male, but closely 

 resembling it. There is a little difference in the pro thorax, 

 but the sexes differ most in the abdomen. Segment i 

 has the transverse black-bronze spot ; 2, 3, 4, 5 have a 

 mid-dorsal black carina swelling out distally into a 

 crown-shaped spot ; in 6, 7, 8 the spot nearl}' fills the 

 segment ; 9 has a bifid basal spot, and 10 has two small 

 basal ones. Anal appendages small, conical, crimson, 

 with black tip. Ovipositor slender, red-brown, reaching 

 quite to the end of the tenth segment. / 'a/c'es yellow, 

 as long as the ovipositor. 



Immature Colouring. 



On the head and thorax the crimson is for some days 

 replaced by yellow ; on the abdomen it is at first 

 dingy, but not yellow. Ej'es greenish-brown. Jl'ings 



