18 



INTRODUCTION 



costal: touching costa. 



dehiscence ; breaking of the pupal 

 integumont in emergence. 



dentate : toothed. 



dorsal: touching dorsum. 



dorsum : lower margin of wing. 



emarginate : with the margin 

 abruptly excavated. 



exserlcd : thrust out and exposed. 



external: on the side nearest the 

 margin. 



fascia : a transverse band. 



fascicle : a small group of cilia. 



fasciculated: collected in small 

 groups. 



ferruginous : rust-coloured. 



filiform : thread-like. 



fovea : a small round depression. 



frenulum: one or more bristles 

 from base of costa of hind- 

 wings. 



fugitive : soon disappearing. 



furcate : two-branched. 



fuscous : grey-brown. 



fusiform : spindle-shaped. 



glabrous : without hairs. 



hyaline : without scales and trans- 

 parent. 



infuscatcd : tinged with fuscous. 



internal : on the side furthest from 

 the margin. 



interneural : between the veins. 



jugum : a membranous process 

 from dorsum of forcwings. 



labial : attached to the labium. 



labium : lower lip. 



lamellate : with series of broad flat 

 plate-like projections. 



maxillae: a pair of jaws composing 

 the proboscis. 



maxillary: attached to the base of 

 the maxillae. 



neural : of the veins. 



neuraiion : arrangement of the 



ocellus: a small simple eye; also 

 used for an eye-like spot. 



ovipositor : organ for laying eggs. 



patagia : shoulder - pieoes of the 

 thorax. 



pecten : a row of projecting hair- 

 scales. 



pectinated: with series of pectina- 

 tions. 



pectination : one of a series of 

 slender chitinous processes. 



pencil : a long slender tuft of hairs. 



pcnicillate: terminating in a tuft of 

 hairs. 



phytogeny : scheme of descont. 



polyphagous: feeding indiscrimin- 

 ately on many plants. 



porrecled: directed straight for- 

 wards. 



posterior : further from the head. 



postmedian: beyond the middle. 



postsubtcrminal : following the sub- 

 terminal lino. 



praccostal spur: a false vein in 

 costal angle at baso of hind- 

 wings. 



pracsubtcrminal : preceding the 

 subterminal line. 



praelornal : preceding the tornus. 



prensor: genital lateral clasping 

 organ. 



proboscv) : tubular tongue formed 

 by the maxillae. 



prolcg: ventral hook-bearing pro- 

 cess serving as a leg. 



pscudoneurium : a false vine, 

 formed by a chitinous thicken- 

 ing. 



pubescent: wholly clothed with 

 short down. 



guadrifid: cleft into four lobes. 



retinaculum : a catch to receive the 

 frenulum. 



semiapterous : with aborted wings. 



serrate: with saw-like teeth. 



