CLASS V. INSECTA, 245 



Genus -328. ^GERIA. Fair., Leach. Sesia. Latr.^Iaspej/res. 

 Trociiilum. Scopoii 

 Antenna fusifonn : abdomen with the anus bearded, 



Sp. 1. JE^. apiformis (bee hornet sphinx). 

 Inhabits Europe : is rare in Britain. 



Sp. 2, JEg. crabroniformis (liornet sphinx). 



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



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

 their synonyms have never been satisfactorily ascertained. 



Genus 329. ZYGyENA of authors. Sphinx. Linn. 

 Antenna abruptly flexuous-clavate : palpi cylindric-conic. 



Sp. 1. Zyg. H/i/jewdu/^ (six-spot bumet). 

 Inhabits fields. 



Genus 330. INO, Leach. Procris. Tabr., Lafr. Zyg.^.-ja. Ton-^ 

 Walckcnaer. Siniixx. Linn. 

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



Sp. 1. Ino Stat ices (forester). 



Inhabits the margins of woods in meadovvs. 



Section III. NOCTURNA. Latreille. 



Wings horizontal in repose : antenna setaceous, gradually narrowinj^- 

 towards their extremities. 



Fam. V, BoMBYciD.E. Leach. 



BoMEYCiTES, Latreille. 



Antenna with a single series of cilicE (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 ; larva naked : pitpa wirli 

 its segments laterally denticulated. 



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

 tua). Linn'i. 

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



very hairy : uings elliptic, equal, long. 

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

 swift). Sp. 3. Hep. Hectus (golden swift). Sec. 



Genus 332. COSSUS. Fabr., Latr., Cuv., Leach. Phal.ina 

 (BoMBVx). Linne. 

 Antenna as long as the thorax, setaceous, furnished with a single sc- 

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

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



