18 



INTRODUCTION 



costal: touching costa. 



dehiscence : breaking of the pupal 

 integument in emergence. 



dentate : toothed. 



dorsal: touching dorsum. 



dorsum : lower margin of wing. 



emarginatc : with the margin 

 abruptly excavated. 



exserted : 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. 



infuscated : tinged with fuscous. 



internal: on the side furthest from 

 the margin. 



interneural : between the veins. 



jugum: a membranous process 

 from dorsum of forewings. 



labial: attached to the labium. 



labium : lower lip. 



lamellate : with scries 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. 



neuration: arrangement of the 



ocellus: a sinall simple eye; also 

 used for an eye-like spot. 



ovipositor : organ for laying eggs. 



patagia : shoulder - pieces of the 

 thorax. 



pecten: a row of projecting hair- 

 scales. 



pectiiiated : with series of pectina- 

 tions. 



jjcctination : one of a series of 

 slender chitinous processes. 



pencil : a long slender tuft of hairs. 



penicillate : terminating in a tuft of 

 hairs. 



phytogeny : scheme of descent. 



polyphagous: feeding indiscrimin- 

 ately on many plants. 



jwrrected : directed straight for- 

 wards. 



posterior: further from the head. 



postmedian: beyond the middle. 



postsubtcrminal : following the sub- 

 terminal line. 



praecostal spur: a false vein in 

 costal angle at base of hind- 

 wings. 



praesubterminal : preceding the 

 subterminal line. 



2)raetornal : preceding the tornus. 



pi'ensor : genital lateral clasping 

 organ. 



proboscis: tubular tongue formed 

 by the maxillae. 



prolcg : ventral hook-bearing pro- 

 cess serving as a leg. 



2)seudoneurium : a false vine, 

 formed by a chitinous thicken- 

 ing. 



pzibescent : wholly clotlied with 

 short down. 



quadrifid: cleft into four lobes. 



retinaculum : a catch to receive the 

 frenulum. 



semiapteroHS : vith aborted wings. 



serrate : witli saw-like teeth. 



