( 433 ) 



Key to the species : 



a. Hiiidwiiig with jeUow tliscal liaiid 



Hiiidwiiig without yellow discal baud . 

 h. Abdomen without white belt on segment 4 . 



Abdomen with sharply marked broad white belt . 



c. AVhite discal sjwts three in number, the upper 



one largest, often divided ..... 



White discal sjiots four or five in number, not 

 divided ........ 



White discal spots four to seven in number, some 

 of them divided ...... 



369. Sesia cecuius. 



Sjthiju ceriihis Cramer, Ptip. Ex, ii. p. 80. t. 14(j. f. u (1777) (.Suriuam). 



Siihinx steUatariim ^ Sphinx ckuliis (!), Gmelin, Sysi. Nat. i. 5. p. 2387. n. 27 (17'JII). 



Ftiitht/j-os cecuius, Hiibner, Vctz. hck. Schiit. p. 13'2. n. 1411 (1822). 



Miicroglossa cecuius, Burmeister, Sjiliinr/. Brus. p. 73. n. 4 (185(i) (Colombia ; Guiana) ; Walk., 

 i;«« Leji. Lis. B.M. viii. p. 88. n. 5 (1856) (Para ; Mexico) ; Clem., Journ. Ac. Nat. Sc. Philail. 

 iv. p. 132. n. 7 (18.57) (S. Am. ; Mexico) ; Morris, Cat. Lep. N. A. p. 17 (1860) ; Clem., in 

 Morris, Syu. Lep. N. A. p. 151. n. 3 (1862) ; Boisd., Spec. Gen. Lep. Ilet. i. p. 359. n. 45 (1875) 

 (Cayeane ; Brazil ; Colombia) ; Moschl., Verh. Zool. But. Ges. Wien xxvi. p. 351 (1876) 

 (Surinam) ; Bonningb., Iris xii. p. 134. n. 76 (18'jy) (Rio de Jan.). 



EiipijiThoijhissum cecuius, Grote & Rob., Proc. Eiit. Sue. PliHuJ. v. p. 150. n. 10 (1865) ; Druce, 

 Bidl. C'iutr. Amer. , Lq). Het. i. p. 2. n. 2 (1887) (Mexico ; Guatemala ; Nicaragua ; Chiriqui ; 

 Colombia ; Ecuador ; Trinidad ; Guiana ; Para) ; Kirby, Cut. Lep. Het. i. p. 636. n. 2 (181)2) 

 (.S. & C. Am.) ; Druce, I.e. Suppl. p. 21)9 (1896) (Brit. Hond. ; Guatem. ; Panama). 



Lupi/rrJioijIussuiu ? ceeulus, Butler, Trims. Zool Soc. Lond. ix. p. 531. n. 2 (1877) (Para ; Mexico). 



Eupi/rrhofflussum cecuius, Kaje, Trans, Ent, Soc, Lond. p. 140 (1901) (Trinidad). 



cJ ? . Variable in size. The discal band of white semitransparent spots of 

 ttintaluH and allies rejireseuted above and below by a dot R' — M', which is, however, 

 often absent. Head and thorax as in tavtaius without mesial crest ; SC* and SC* 

 of forewiiig fused at end as in tantalus ; antenna slenderer, with a longer and less 

 ubrupt hook, agreeing with that of lut/ii/rrhoe/lossum sayru. Yellow baud (.'f 

 liindwing narrowed in aud befoie middle, seldom of even width, costal half often 

 jiartly obsolete. Alidnmen with two orange patches, sometimes w^ith only one, base 

 offil'th tcrgite also often orange laterally. 



i. Peuis-sheatli (PI. LIV. f. 14): a slioi't whip, which is not unite the 

 li-nglh (it the dijimeter of the sheath, ending in a tubercle and bearing the usual 

 Iwu ajiicul sensory hairs ; two to four apical spines at the right side ; live to eight 

 8pines on the left side arranged in one; row, all very long and jiointiug pro.ximad, 

 ilifiVring in this respect remarkably from the corresponding spines of fudiis 

 and allies. 



?. The small vaginal orifice (Pi. XLl. f. 2) lies in a groove or cavity formed 

 liy a rather jirominent antevagiual ridge and the apical edge of the vaginal plate ; 

 orifice concealed by the antevagiual ridge in a ventral view, being indicated in figure 

 liy a ring of dots. 



Early stages not known. 



lint). Neotropical Region : Mexico to Bolivia and Southern Brazil ; not on I he 

 We.^it ln<lies? 



In the Tring Museum TiO-odd s])ecimens lV(jni : Guatemala ; Colombia ; 

 Venezuela; Brit, (hiiaini ; Peril ; Ecuador; Bolivia ; Blumenau, 



f F 



