512 CATALOGUE OF 



with some darker lines. Antennae lanceolate, broad, flat, as long as th<; 

 head and the prothorax together. Prothorax finely punctured, with two 

 transverse impressed lines and with five very slight longitudinal elevated 

 lines ; fore horder and hind border rounded ; sides straight. Prosternum 

 with an obtuse tooth. Abdomen long, attenuated towards the tip. Oviduct 

 lanceolate, straight, 4 lines in length. Legs slender; four anterior legs 

 short; hind tibiae with two rows of very minute spines which have black 

 tips. Fore wings very narrow. Hind wings a little shorter, pellucid, rosy 

 at the base, this hue especially on the veins. Length of the body 21 lines ; 

 expansion of the fore wings 28 lines. 



a. North Bengal. From Lieut. Campbell's collection. 



27. O POM ALA TARSALIS. 



Fcem. Viridis, robusta, fere cylindrica ; caput et prothorax subtiliter 

 punctata^fusco quadrivittata,flavo bivittata ; caput prothorace paullo 

 brevius, antice conicum, subtus quadricarinatum ; oculi picei, 

 fusiformes, obliqui, non prominuli ; antenncB nigrce, non dilatatce ; 

 prothorax antice subrotundalus, postice valde rotundatus. 



Female. Green, stout, nearly cylindrical. Head and prothorax 

 minutely .'punctured, with two, sometimes nearly obsolete, brown stripes 

 and an intermediate yellow stripe on each side. Head above a little 

 shorter than the prothorax, cone in front shorter than the eye; under side 

 with four keels, of which the middle pair is most distinct. Eyes piceous, 

 fusiform, oblique, not prominent. Antenna? black, lanceolate, much longer 

 than the head, not dilated. Prothorax with two slight transverse impressed 

 lines ; fore border slightly rounded ; hind border much rounded. Pro- 

 sternum with a bidentate protuberance. Legs rather stout ; hind femora 

 reddish and marked with black at the tips ; four anterior tibia3 with a few 

 minute spines ; hind tibiae deep green, with two rows of stout pale yellow 

 black-tipped spines ; hind tarsi red. ,Hind wings cinereous, somewhat 

 shorter than the fore wings ; veins black. Length of the body 24 27 

 lines; expansion of the fore wings 33 36 lines. 



a, b. Silhet. From the JJev. Mr. Stainforth's collection. 



28. OPOMALA SEMIPICTA. 



Mas. Subaurato-viridis ; caput et prothorax disco aut vittis duabus rufo- 

 fuscis ; caput longi-conicum, prothorace multo brevius, antice coni~ 

 cum et marginatum ; oculi fusiformes, obliqui, subprominuli ; 

 antenna picece, lanceolate, subdilatata, capili et prothoraci ad unum 

 teguilonga ; prothorax antice subtruncatus, postice rotundatus, carinis 

 bene determinatis ; prosternum unispinosum ; femora postica nigro 

 vittata ; alas cinerece ; alee anticce rufo venosce, vitta costali viridi ; 

 alee posticce breviores, nigro venosce. 



Male. Green, slender, slightly gilded. Head and prothorax above 

 reddish brown or with two stripes of that hue. Head elongate-conical, 

 much shorter than the prothorax, conical and with a broad elevated border 

 in front of the eyes ; front with four well-defined keels, of which the inner 

 diverge from each other towards the face. Eyes piceous, fusiform, oblique, 

 slightly prominent. Antenna piceous, lanceolate, slightly dilated, as long 



