94 CATALOGUE OF 



5. (ECANTHUS VAEICORNIS. 



Mas. Pallide testaceus ; caput productum ; palpi graciles, filiformes ; 

 antenna nigro unifasciatce ; prothorax lonqiusculus, lateribua rectis ; 

 pedes gracillimi) tibiis posticis biseriatim, serralis et spinosis ; alee 

 antics diaphancB, latissimce, abdomen longis&ime superantes ; alee 

 posticce valde longiores. 



Male. Pale testaceous, smooth, shining. Head elongated, a little 

 narrower than the lore border of the prothorax. Eyes rather small, hardly 

 convex. Palpi slender, filiform ; third joint longer than the second. 

 Antenna? full twice the length of the body, black towards the base, testa- 

 ceous at the base. Prothorax narrower in front ; sides straight. Legs 

 very slender; hind tibia3 minutely serrated on each side and with a few 

 short slender spines beyond the middle. Wings pellucid. Fore wings 

 very broad, extending much beyond the abdomen ; veins very pale testa- 

 ceous; mediastinal vein with fourteen oblique branches; eight near the 

 base, approximate to each other; the other six remote from each other. 

 Hind wings brilliantly iridescent, extending much beyond the fore wings ; 

 reins white. Length of the body 6 lines. 



The colour of the antennas and the broader fore wings distinguish this 

 species from OE. nivetts. 



a. Mexico. From Mr. Shuckard's collection. 



6. CECANTHUS FORMOSUS. 



Fo3D). Pallide testaceus, gracillimus ; caput productum ; palpi graciles, 

 filiformes ; prothorax longus, lateribus vix excavatis ; venter nigri- 

 cante bivittatus ; oviductus abdomine brevior ; pedes gracillimi, libiis 

 posticis biseriatim setulosis ; alee antica inordinalim reticulata, nigro 

 quadrimaculatce, abdomen sat superantes ; alee posticce valde longi- 

 ores. 



Female. Pale testaceous, very slender. Head elongated, rather 

 shorter than the prothorax. Eyes small, elongated, slightly prominent. 

 Palpi slender, filiform. Prothorax twice longer than broad, narrower in 

 fronl ; sides very slightly concave. Abdomen with two blackish stripes 

 beneath. Oviduct shorter than the abdomen; tip piceous. Legs very 

 slender; hind tibiae very minutely setulose on each side, not serrated nor 

 spinose. Fore wings extending rather beyond the abdomen, irregularly 

 reticulated above and between the branches of the mediaslinal vein, which 

 are also irregular ; two black spots on each side, one pair in the middle, 

 the other nearer the base. Hind wings extending much beyond the fore 

 wings. Length of the body 1\ lines. 



a. Mexico. From M. Salle's collection. 



7. CECANTHUS ? FLAVIPES. 



Acheta flavipes, Fabr. Ent. Syst. ii. 30. 

 Isle St. Thomas. 



