480 CATALOGUE OF 



interior border almost straight ; areolets not very numerous, partly irre- 

 gular; scapular vein and externo-medial connected, the latter emitting 

 before half the length a slightly undulating branch, which is forked. Hind 

 wings ample, reticulated at the tips. Male. Supra-anal lamina broad. 

 Cerci curved, thicker and with a lanceolate appendage near their tips, 

 which are excavated and obliquely truncated. Subgenital lamina slender, 

 very long, furcate at the tip. Female. Cerci setose, straight, lanceolate. 

 Oviduct extremely short, serrated above. 



1. MOLPA BILINEOLATA. 



Mas et foem. Testacea ; antennarum articuli \uset 2us nigro lineali; 

 alee anticce nigro glomeratim conspersce ; alee posticce diaphance, apice 

 testacece. 



Male and female. Testaceous. First joint of the antennae striped 

 with black above ; second black at the base. Fore wings with several 

 small clusters of black points. Hind wings pellucid, with a testaceous 

 apical patch; veins white. Length of the body 11 12 lines ; expansion 

 of the fore wings 3234 lines, 

 a, b. Ceylon. From Dr. Thwaites' collection. 



Genus DEBRONA. 



Fcem. Corpus gracile, laeve. Caputnitens; vertex carinulis duabns 

 anticis obliquis antice approximatis; fronsfere plana, inter antennas conica 

 disco concavo. Oculi elliptici, valde prominuli. Palpi maxillares graciles ; 

 articulus 5us subclavatus, 4o plus duplo longior. Antennas longae, graciles. 

 Prothorax sellatus ; discus postice planus et latescens ; margo anticus sub- 

 concavus ; lobi laterales et margo posticus rotundati. Mesosternum et 

 metasternum subincisa. Cerci incurvi, lanceolati. Oviductus brevissimus, 

 supra subtusque serrulatus. Pedes longi, graciles, spinulosi; femora 

 postica glabra, alis anticis sat breviora. Alae anticse sat angustae, apice 

 truncatae, costa subrotundata, margine interiore recto apicem versus rotun- 

 dato. Ala3 posticae longiores, apud apices reticulatae. 



Female. Body slender, smooth. Head shining, as broad as the fore 

 border of the prothorax; vertex in front with two short separate keels 

 which diverge hind ward and are there with the intervening breadth a little 

 narrower than the first joint of the antennas ; front nearly flat, conical and 

 with, a slightly excavated disk between the sockets of the antennae. Eyes 

 elliptical, very prominent. Palpi slender; fourth joint of the maxillary 

 more than half the length of the third, less than half the length of the fifth, 

 which is subclavate. Antennae long, slender. Prothorax somewhat saddle- 

 shaped, with a slight impressed longitudinal line, which in the hind part is 

 slightly elevated, and with three slight transverse impressed lines, of which 

 the first is interrupted and the middle one is deeply angular ; hind part flat 

 and widened; fore border slightly excavated ; lateral lobes and hind border 

 rounded. Mesosternum and metasternum slightly notched. Cerci curved, 

 lanceolate. Oviduct curved, very short, minutely serrated above and 

 beneath towards the tip. Legs long, slender ; spines minute ; four anterior 

 femora with one row of spines ; hind femora unarmed, incrassated towards 

 the base, about five-sevenths of the length of the fore wings ; tibiae with 



