LARV.^ AND FOOD-PLANTS. ir 



Trochilium crabroniformis (bembeciformis). 



Siilix triandra — Three-stamened Willow. (?) In the wood. 

 ,, viminalis — Osier. In the wood. 

 „ cinerea — (Sallow). In the wood. 

 „ Caprea — (Sallow). In the wood. 

 Popuhis nigra Qpyramidalis) — Lombardy Poplar. In the 

 bark and wood. 

 „ nigra — Black Poplar. In the bark and wood. 



Sciopteron tabaniformis (asiliformis). 



Fraxinus excelsior — Ash. In the roots. 



Popiilus nigra — Black Poplar. In the bark and wood. 

 „ tremula — Aspen. In the wood. 

 Sesia scoliiformis. 



Bdula rt/4(7— Birch. In the bark. 

 Sesia sphegiformis. 



Alnus gliitinosa — -Alder. In the stems and suckers. 

 Sesia andreniformis. 



Cornus sanguinea — Dog-wood, 



Ligustruin vulgare — Privet. On the flowers, 



Sesia tipuliformis. 



Ribes rubriim — Red CurranL. In the shoots. 

 ;, nigrum — Black Currant. In the shoots. 

 Sesia asiliformis (cynipiformis). 



Ulinus campestris — Elm. In the bark. 

 Qiiercus Rolnir — Oak. In the bark. 



Sesia Myopiformis. 



Pyrits communis — Pear. In the wood. 



„ Mains — Apple. In the bark and wood. 

 Sesia culiciformis. 



Behda «//-«— Birch. In the bark. 

 Alnus glittinosa — Alder. In the bark and wood. 

 Sesia formiciformis. 



Salix triandra — Three-stamened Willow, In the wood. 

 „ viminalis — Osier. In the wood. 

 Sesia Ichneumoniformis. 



Helleborusfcetidus — Stinking Hellebore, In the stems. 

 Lotus corniculatus — Bird's-foot Trefoil. In the roots, 

 Centaurea nigra — Knapweed. In the stems. 

 Sesia musciformis (philanthiformis). 



A rmeria maritiina — Thrift. 

 Sesia chrysidiformis. 



Rumcx — Dock. On the roots. 



„ Acetosa — Sorrel. On the roots. 



„ Acetosella — Sheep Sorrel. On the roots. 



