APPENDIX. 165 



TITYROS Poreia. Mas. Viridis, antennis fuscis basi viridibus, 

 tibiis tarsis que flams, illis fulvo cinctis, protibiis et protarsis 

 luteis, alls limpidis. Page 108. 



Green : eyes and eyelets red : feelers brown ; first joint green, 

 yellow at the base ; second piceous, tinged with green : hips and 

 thighs green ; tips of the latter yellow ; trochanters tawny ; shanks 

 and feet of the four hinder legs yellow, the former traversed by a 

 broad tawny band, tips of the latter piceous ; fore-shanks and lore- 

 feet luteous, tips of the latter brown : wings colourless ; veins 

 tawny ; humerus brown. Length of the body f line ; of the wings 

 1J line. 



SPHEGIGASTER Agriope. Mas. Cyaneo-viridis, antennis niyris, 

 pedibus luteis, alis limpidis. Page 108. 



Bright bluish green, convex : head and chest finely shagreened : 

 head blue, much broader than the chest: eyes red : feelers black, 

 filiform, slender, much longer than the chest ; first joint yellow, 

 slender, linear ; second cup-shaped ; third and fourth very small ; 

 fifth and following joints long, linear ; club spindle-shaped, much 

 longer than the preceding joint : chest nearly elliptical : fore-chest 

 short : shield of the mid-chest much narrower in front; sutures of 

 the parapsides distinct ; axillae large, meeting on the back ; 

 scutcheon nearly rhomboidal : hind-chest long, obconical, declin- 

 ing : petiole slender, cylindrical, nearly half the length of the abdo- 

 men : abdomen oval, smooth, a little narrower and very much 

 shorter than the chest ; metapodeon concave on the disk, occupy- 

 ing nearly half the back ; octoon and ennaton of moderate size ; 

 decaton and following segments short : legs luteous ; hips green : 

 wings colourless ; veins tawny ; ulna very much shorter than the 

 humerus ; radius longer than than the ulna ; cubitus about half the 

 length of the ulna; wing-brand small. Length of the body 1-1 J 

 line ; of the wings 2-2J lines. 



SPHEGIGASTER Lasthenes. Fern. Viridis, abdomine purpu- 

 reo-ceneo basi cyanen, antennis nigris, pedibus luteis, femori- 

 bus viridibus tarsis flavis, alis limpidis. Page 108. 



Dark green, convex : head and chest shagreened : head much 

 broader than the chest : eyes dark red : feelers black, clavate, 

 nearly as long as the chest ; first joint slender, linear, luteous, 

 black at the tip ; second cup-shaped ; third and fourth very small ; 

 fifth and following joints to the tenth successively increasing in 



