50 THE ENTOMOLOGIST. 



Trigonodactylus, Hmv. Lithodactylus, Tr. 



Zetterstedtii, Zell. SimiUdactylus , Bale. 



Acauthodactylus, Hub. Monodactylus, Linn. 



Calodactylus, Steph. Pterodactylus, Hmv., D. L. 



Punctidactylus, Steph. Lienigianus, Zell. 



Cosmodactylus, Herr.-Sch. Tepliradactylus, Hub. 



Parvidactylus, Haw. Osteodactylus, Zell. 



Microdactylus, Steph. Microdactylus, Hub. 



Hieracii, Zell. Paludum, Zell. 



Teucrii, Greening. Brachydactylus, Tr. 



Lffitus, Zell. Galactodactylus, Hub. 



Pilosellee, Zell. Spilodactylus, Curt. 



Phgeodactylus, Hub. Baliodactylus, Zell. 



Lunadactyla, Haiv. Tetradactylus, Liiin. 



Serotinus, Zell. Leucodactijlus, W. V. 



Bijmnctidactijlus, Haw., D. L. Pentadactylus, Linn. 

 Aridus, Zell. 



Plagiodactylus, Fisch. ALUCITID^. 



Zophodactylus, Dup. Ai.ucita, Linn. 



Loewii, Zell. Orneodes, Lat. 



Hodgkinsoui, Greys. Polydactyla, Hub. 



■ Pterodactylus, Linn. Hexadactyla, Linn. ? 



Fuscus, Retz. 



Fuscodactylus, D. L 



The larvae, I believe, are less known than the imagines. In 

 future contributions I shall give specific descriptions. For the 

 present purpose, it will suffice to state the general characteristics 

 of the larva of the genus Pteroplwrus. It has sixteen legs, and 

 is more or less fusiform in shape. The body colour is generally 

 some shade of green. The dorsal stripe or line red, brown, or 

 green. There are several warts on each segment, from which a 

 few hairs of variable length are emitted. It does not spin any 

 cocoon, simply fastens itself to a leaf, twig, or stem, by the anal ex- 

 tremity, and changes to a pupa. Sometimes the pupa also is hairy. 



Though most of the species are very retired in their habits, 

 both imagines and larv£e are not difficult to obtain, when a clue 

 is found to their whereabouts. "When one is " flushed," a diligent 

 search should be made, as others are almost certain to be near. ^ 



Plumes occur in a variety of situations. Downs, fens, 

 marshes, woods, hedgerows, &c. ; the various localities yielding 

 various species. 



On downs P. 'parvidactylus may be observed ; a sharp eye 

 and quick hand are necessary to effect its capture on the wing ; 

 for though of but small size, it is exceedingly nimble. The larva 

 feeds on thyme, but it is rather slow work searching for this little 



