( 35 ) 



Diludni, Butler {mm Grote & Rob., 18f)5), Tmns. Ziml. Soc. Loml. ix. p. 612 (1877) (partim). 

 I'seudospluit.r, id. (mot Burmeister, 1856), IHust. Typ.Spec. Lep. Uet. B.M. v. p. 15 (1881) ; Hamps., 

 in Blanf, Fawm Bril. hid., M<,thx i. p. 104 (1892). 



c? ? . Autenua long and slender, with a long and slender hook. Palpus large, 

 jirominent, second segment almost as broad in side-view as long. Eyes large, 

 not lashed. Legs long ; tibiae not spiny ; foretarsus without prolonged spines, 

 first segment shorti'r than segments 2 to 5 together ; midtarsns with very strong 

 basal comb which terminates abrnptly, being continned by much shorter bristles ; 

 comb of hindtarsus also jjrominont, the spines gradually shortening distad ; 

 spnrs long, long apical one of hindtibia at least two-thirds the length of the 

 first tarsal segment, which is longer than the tibia and also than the other four 

 segments together ; hindtarsus more than twice the length of the cell of the 

 hindwing (measured along S(J) ; SC" and R' of hindwing on a rather long stalk ; 

 D'^ very oblique. With pnlvillus and jiaronychium, the latter with two flaps on 

 each side. 



S. Clasper with patch of modified scales on outer side ; penis-sheath armed 

 at end with one or two long tapering processes which are curved basad (PL XXVIII. 

 f. 33. 34. 35). 



Larva (of ni/ctiplianes ; not known of the other species) with the third thoracical 

 segment mesially produced into a conical tubercle; horn tubercled, curving upwards, 

 — shaped. 



Pupa (of nijcti plumes) with free tongne-case, which is not recurved. 



Ikib. Oriental Region. — Three species. 



Key to the species : 



a. Hindwing with several pale spots on the disc L5. M. iiijctiphanes. 



Hindwing without pale spots on the disc . . b.- 



h. Abdomen with yellow lateral patches . . 16. if ruj'escens. 



,, without yellow lateral patches . 17. M. unalis. 



15. Meganotou nyctiphaues. 



*3racrodla mjcUplimies Walker, List Lep. Lis. li.il. viii. p. 209. n. 16 (1856) (Silhet ;— Mus. Brit.); 



Moore, in Horsf. & Moore, Cat. Lep. Mus. E.I.C. i. p. 268. n. 617 (1857) (Silhet) ; id., Proc. 



Z,ml. Hoc. Lond. p. 675 (1867) (Silhet). 

 .Uaiyroeilrj -nijctipfiarea (!), Menc'tries, Enum. Corp. Aiiiiii. Mus. Petr., Lep, p. 89. n. 1469 (1857) 



(Ind. or.). 

 .Ueganolfin nijriipliiims, Boisduval, Spec. Gen. Lep. TIH. i. p. 59. n. 1 (1875) (N. Ind.) ; Kirby, Cat. 



Lep. Iht. i. p. 682. n. 6 (1892) (.Silhet). 

 *PiseudiiHiihhix cijrtidophiii Butler, Pmc. Zuul. Soc. p. 259 (1875) (Madras ; — Mus. Brit.) ; id., Trnits. 



Zwd. Soc. Loiul. ix. p. 01 1. n. 7. t. 91. f. 11-1.3. t. 92. f. 6 (1877) (larva, pupa). 

 llyloicua cijrtolophiu. Kirby, I.e. p. 094. n. 8 (1892) (Madras). 

 Pieudosphinx iiycliphnnis, Butler, Tmns. Znul . Soc. Lond. ix. p. 610. n. 6 (1877) ; id., Illiist. Tijp. 



Spec. Lep. Ilet. B.M. V. p. 15. t. 81. f. 7 (1881) ; Pagenst., Iris iii. p. 2. n. 2. (1890) (Palawan) ; 



Hamps., in Blauf., Fnutia Dnt. Ind., Mollis i. p. 105. n. 167. f. 59 («., p.) (1892) (Silhet, 



Andamans, Perak, Singapore) ; Swinh., Col. Lip. J/et. Mus. O.c. i. p. 32. n. 125 (1892) (Silhet, 



Singapore); Scnip., Schm. P/tilijip. ii. p. 405. n. 53 (1890) (Palawan). 

 PieudoHpldiix cijrlolojdiiu, Hampson, l.i: n. 168 (1892) (Madras). 



r? ? . Rather variable in size. Ground colour of forewing in some specimens 

 darker, in others paler, in the latter case the lines more ])romineiit ; outer margin 

 iMululiite ; pale band of hindwing not quite constant in position. Eye large, paljuis 

 very large, third segment distinct. First segment of foretarsus as long as segments 



