CLASS V. insectaT 245 



Genus 328. iEGERlA. Fahr., Leach. Sesia. Latr., Laspei/res. 

 Trochilum. Scopoli. 

 Antenna; fusiform : abdomen with the anus bearded. 



Sp. 1. jEg. apifonnis (bee hornet sphinx). 

 Inhabits Europe : is rare in Britain. 



Sp. 2. ^g. crahroniformis (hornet spliinx). 



Inliabits Europe : the larva feeds on the wood of the lime-tree. 



There are several other species of this genus found in Britain, but 

 their synonyms have never been satisfactorily ascertained. 



Genus 329. ZYG.ENA of authors. Sphixx. Linn. 

 Antenna: abruptly flexuous-clavate : palpi cj'lindric-conic. 



Sp. 1. Zijg. J'/Zipejirfu/^ (six-spot burnet). 

 Inhabits fields. 



Genus 330. INO. Leucli. Procris. Fahr., Lutr. Zycena. Panz., 

 Walckenaer. Sphinx. Linn. 

 Antenna: of the male bipectinate, of the female simple : palpi short. 



Sp. 1. Ino Statices (forester). 



Inhabits the margins of woods in meadows. 



Section III. NOCTURNA. LatrelUe. 



Wings horizontal in repose : antenna setaceous, gradually narrowing 

 towards their extremities. 



Fam. V. BoMBYciD^. Leach. 



BosibyciTes . Latreille. 



Antenna with a single series of cilicB (of the male at least serrated) : 

 tongue none : palpi two, short, cylindric, very hairy : thorax not crest- 

 ed : wings elongate undivided. 



Stirps 1. — Wings deflexed, long and narrow : larcm naked : pupa with 

 its segments laterally denticulated. 



Genus 331. HEPIALUS. Fair., Latr., Lecch» Phal^^na (Noc- 



tua). Linn'e. 

 Antenna moniliform, shorter than the thorax : palpi very small, and 



very hairy : wings elliptic, equal, long. 

 Sp. 1. Hep. Humuli (ghost swift). Sp. 2. Hep. Mappa (map-winged 

 swift). Sp. 3. Hep. Hectus (golden swift), &c. 



Genus 332. COSSUS. Fabr., Latr., Cuv., Leach. Phal^na 



(BoMBYx). Linnc. 

 Antenna as long as the thorax, setaceous, furnislied with a single se- 

 ries of short transverse obtuse teeth : palpi very distinct, thick cy- 

 lindric, and squamous : anterior wings larger than the posterior. 



