524 



BRITISH LEPIDOPTERA. 



VOL. IV. 



PAGE. 

 Sesiinae . . . . . . . . i 



Characters of group. — Larval 

 characters ally with Hemarids, 

 pupal with Eumorphids, i. 

 Imaginal characters suggest 

 three tribes . . . . . . 2 



Sesiidi.. .. .. .. .. 2 



Sesia . . . . . . . . . . 2 



S. stellatarum . . . . . . 4 



(nigra) . . . . . . .6 



Eumorphinae . . . . . . 36 



Generalised characters, 36. Mey- 

 rick's tabulation of British 

 species ; Bartel's tabulation, 37. 

 Imaginal characters. — Tribes in 

 subfamily. — Larval characters, 

 40. Suggested groupings and 

 reasons for them. — Larval phy- 

 logeny. — Isolation of the Daph- 

 nids. — Egg. — Larva, two main 

 types, 41. Larval specialisations. 

 — Tabular comparison of Sesiid 

 and Eumorphid larvae, 42. — 

 Larval habits. — Pupa — various 

 types. — Hybridity . . 44 



(Hybrids: standfussi ,. 44 



epilobii . . . . 46 



vespertilioides . . . . 49 



eugeni . . . . . . 51 



lippei 5 2 



pauli, phileuphorbia) . . 53 



Imaginal habits. — Sedentary 

 and immigrant species .. •• 55 



Eumorphidi . . . . 56 



Eggs. — Tabular comparison of 

 Eumorphid and Phryxid larvae, 



56. Weismann's conclusions 

 on larval phylogeny. — Types of 

 genera Clarina, Fiorina, Lilina, 



57. Evolution of eye-spots. — 

 Specialisations of Eumorphid 

 pupa ; sculpturing, 58. Com- 

 parison of Phryxid and Eumor- 

 phid pupae with those of other 

 Sphingids . . . . 59 



Eumorpha . . . . . . 59 



E. elpenor . . . . . . 61 



vars. lewisii . . . . 64 



rivularis, (? sp.) macromera . . 65 

 fraterna . . . . . . 66 



Theretra . . . . . . . . 89 



T. porcellus .. .. .. ..91 



Names of colour-vars. . . . . 92 



ab. lutescens, (var. suellus) . . 93 

 Hippotiouidi. . .. .. .. 114 



Alliance with Eumorphidi. — 

 Weismann's views on larvae. — 

 Bacot's grouping, 114. Evo- 

 lution of ocellated spots. — Pupal 

 characters, 115. Imaginal 

 characters .. .. ..115 



Hippotion .. .. .. ..116 



Characters. — Terrifying larval 



marks of H. osiris 

 H. celerio 



(var. tisiphone . . 



ab. augustii) 

 Phryxidi 



PAGE. 



• 117 

 .. 119 

 .. 119 

 . . 120 

 136 



Tribal characters. — Diagnoses 

 of genera, 136. Discussion of 

 the phylogeny of the Eumor- 

 phids, 137. Larval tubercles. — 

 Evolution of larval markings, 

 137. Comparison of Eumorphid 

 and Phryxid larval markings. 

 — Weismann's views, 139. — 

 Chapman's criticism and re- 

 grouping, 140. Connection be- 

 tween imaginal habits and head- 

 structure . „ . . . . 145 



Phryxus .. .. .. . . 145 



P. livornica .. .. .. .. 147 



P. livornica and P. lineata .. -.150 



Celerio . . . . . . . . 167 



C. gallii . . . . . . . . 169 



(var. (?) intermedia) . ..172 



Hyles . . .. ,. . . .. 201 



H. euphorbias . . . . . . 202 



Names of colour-vars. . . . . 204 



(abs. helioscopiae . . • • 205 



lafitolii, rubescens . . . . 206 



(? sp.) paralias . . . . 207 



vars. grentzenbergi, esulae . . 208 

 peplidis, (?) lathyrus, (?) cen- 

 tralasiae) . . . . . . . 209 



H. robertsi . . . . . . 211 



Daphnidinae . . . . . . . . 243 



Daphnids not a tribe of Eumor- 

 phinae as suggested on p. 365. 

 — The allied subfamilies. — The 

 Nephelids and Darapsids, 243. 

 Alteration of terminology. — 

 Comparative diagnoses of sub- 

 families . . . . . . . . 244 



Daphnididi . . . . . . . . 245 



Alliance with Philampelids and 

 Eumorphids, 245. Philampelid 

 larvae, 245. Genera Regia and 

 Indiana . . . . . . . . 246 



Daphnis . . . . . . . . 246 



D. nerii . . . . . . . . 249 



(var. infernelutea) .. .. .251 



Sphingince . . . . . . . . 263 



Connection with other families 

 of Sphingides, 263. Pupal 

 relationships. — Manducid pupae, 



264. Larval similarity in Araor- 

 phids and Sphiugines. — Sphin- 

 goids related to Amorphids, 



265. Weismaun on Sphingine 

 larvae, 266. — Structure of larvae 

 of Sphiuginae, 267 ; larval mark- 

 ings, 268. Criticism of Poul- 

 ton's description of S. ligustri, 

 269. Shagreen-spots, 270. Poul- 

 ton on the development of 



