( 35 ) 



Dllialiii. Butler («./» Grote &- Rob., 18(15), Tntiis. Znol. Snr. Loml. ix. p. r,I2 (1877) (partim). 

 /V»(A'*7'/ii»r, id. (huh Burmeister, l><:)6), niust. Tyi>.tiijec. Lip. Il<t. IS.M.\. p. 15 (1881); Hamps., 

 ill Blanf, Fatuia Brif. huL. Mntlis i. p. 104 (18!)'J). 



cJ?. Aiiteiiiui long ami sleiiiler, with a, loug ami sleuder hook. Palpus large, 

 prominent, second segmeut almost as broad in side-view as long. Eyes large, 

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

 first segment shorter than segments 2 to 5 together ; midtarsus with very strong 

 basal comb which terminates abruptly, being continued by ranch shorter bristles ; 

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

 spurs 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 

 hind wing (measured along SO) ; SC!" and R' of hind wing on a rather long stalk ; 

 D' very oblique. With pulviilus and paronychium, 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 (PI. XXVIII. 

 f. 33. 34. 35). 



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

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

 —shaped. 



Pupa (of ntjctlphanes) with free tongue-case, which is not recurved. 



Hob. Oriental Region. — Three species. 



Key to the species : 



rt. Hindwiug with several pale spots on the disc lo. M. ni/etiphanes. 



Hind wing without jiale spots on the disc . . b. 



b. Abdomen with yellow lateral patches . . 1(1. M. rufescens. 



„ without yellow lateral patches . 17. M. analis. 



15. Meganoton nyctiphanes. 



*.U,um>iUa nydljihnirs Walker, List Lep. Ins. B.M. 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. 



Zonl. Soc. Lond. p. 675 (1867) (Silhet). 

 .^tacroslhl wjctiphares (!), Mtinetrii's, Eiiiim. Corp. Aiiim. .Mm. Peti:, Lep. p. 811. n. 1469 (1857) 



(Ind. or.). 

 .MegaiiDlcn nyciiphanis, Boisduval, Spec. Gen. Lip. Hit. i. p. 59. n. 1 (1875) (N. Ind.) ; Kirby, Cat. 



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

 *Pseud()sphinx cyrtolophia Butler, Pruc. Zool. Soc. p. 259 (1875) (Madras ;— Mus. Brit.) ; id.. Trans. 



Z,„A. Soc. LmuL ix. p. 611. n. 7. t. 91. f. 11-13. t. 92. f. (1877) (larva, pupa). 

 Ifyloirus cyrtolophia, Kirby, I.e. p. 694. n. 8 (1892) (Madras). 

 Psemlosphinx nycfqihanes, Butler, Trains. Zool. Soc. Lond. ix. p. 610. n. 6 (1877) ; id., lllust. Typ. 



Spec. Lep. Ilet. II. U. v. p. 15. t. 81. f. 7 (1881) ; Pagenst., Ir/s iii. p. 2. n. 2. (1890) (Palawan) ; 



Hamps., in Blanf., Fanna Brit. Ltd., Moths i. p. 105. n. 167. f. 59 (I., p.) (1892) (Silhet, 



Andamans, Perak, Singapore) ; Swinh., Cat. Lep. Het. Mus. Ox. i. p. 32. n. 125 (1892) (Silhet, 



Singapore); Semp., Schni. Philipji. ii. p. 405. n. 53 (1896) (Palawan). 

 Pseudosphinx cyrtolophia, Hampson, I.e. n. 168 (1892) (Madras). 



c? ? . Rather variable in size. Ground colonr of forewiug in some specimens 

 darker, in others paler, in the latter case the lines more prominent ; outer margin 

 nndulate ; pale band of hindwing not cpiite constant in position. Eye large, palpus 

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



