APPENDIX. 185 



PTEROMALUS Alopius. Mas. Viridis, abdominis disco cupreo 

 purpureo, antennis fulvis, pedibus flavis, alls limpidis. Page 

 120. 



Very bright green : head and chest convex, finely shagreened : 

 head much broader than the chest : eyes and eyelets piceous : feel- 

 ers tawny, slender, subclavate, a little shorter than the chest ; first 

 joint long, slender, pale yellow, luteous at the tip ; second long-cup- 

 shaped ; third and fourth very small ; the following joints to the 

 tenth successively decreasing in length ; club spindle-shaped, a little 

 broader than the tenth joint and more than twice its length : chest 

 nearly elliptical : fore-chest very short ; its length not more than 

 one-tenth of its breadth : sutures of the parapsides indistinct ; ax- 

 illa3 parted by one-fourth of the breadth of the chest ; scutcheon 

 subrhomboidal, with a suture along each side : hind-chest golden 

 green, short-obconical, declining, almost smooth, with a ridge along 

 the middle and a rim on each side : petiole very short : abdomen 

 depressed, smooth, increasing in breadth from the base till near the 

 tip, hardly shorter or narrower than the chest ; disk coppery purple ; 

 metapodeon occupying nearly one-third of the back ; octoon and fol- 

 lowing segments of nearly equal size : legs bright yellow ; hips 

 green ; fore-shanks and fore-feet bright tawny ; tips of four hinder- 

 feet brown : wings colourless ; veins pale tawny ; ulna about half 

 the length of the humerus ; radius a little longer than the ulna ; 

 cubitus shorter than the ulna ; wing-brand small, pale brown. 

 Length of the body J line ; of the wings l line. 



PTEROMALUS Phylacis. Mas. Niger, tarsis flams, alis limpi- 

 dis. Page 120. 



Black : head and chest convex, finely shagreened : head much 

 broader than the chest : eyes and eyelets dark red : feelers black, 

 slender, filiform, longer than the chest; first joint long, slender; 

 second cup-shaped ; third and fourth very small ; the following 

 joints to the tenth successively decreasing in length ; club long- 

 spindle-shaped, broader than the tenth joint and more than twice its 

 length : chest rather long, nearly elliptical : fore-chest rather short; 

 its length about one-sixth of its breadth : shield rather long ; 

 sutures of the parapsides indistinct ; axillae parted by one-fourth of 

 the breadth of the chest ; scutcheon subrhomboidal, with a slight 

 impression at the base : hind-chest well developed, long, obconical, 

 declining, with a slight ridge along the middle : petiole very short : 

 abdomen elliptical, flat, smooth, very much shorter and narrower 

 than the chest ; metapodeon occupying one-half of the back ; octoon 



