198 BRITISH APHIDES. 



apterous female, he gave it the generic name of 

 Cerataphis. 



Mr. J. Anderson this year has made this addition to 

 our list of British Aphides ; and thus he enables me to 

 give a diagnosis of the insect as it appears in Great 

 Britain. Unfortunately, the notice of its occurrence 

 was forwarded to me too late to allow of its introduc- 

 tion into the body of this work. 



G-enus XXV, bis. — Cerataphis,* Llcht. 



Rostrum of the imago short. Antennas 5-jointed ; 

 the first two joints smooth, all the rest ringed. The 

 third joint the longest, the fourth and fifth nearly 

 equal. Eyes large. Nectaries none. Tarsi with two 

 claws. 



Eyes of the larva nearly obsolete. Head furnished 

 with two minute, characteristic, frontal horns. Legs 

 and antennas very short, and mostly concealed by a 

 disc of wax-like material, which is expelled from a row 

 of peripheral glands. 



Cerataphis latanue, Lieht. Plate CXXXIY. 



Coccus latanice, Boisduval. i tfW 

 Boisduvalia latanice, Signoret. I ^ /0 

 Cerataphis latamm^ Lichtenstein. 



Apterous female. 



Inch. Millimetres. 



Size of body 0-060 X 0*050 1'52 X 127 



Antenna 0-010 0'25 



Coccus-like. Colour rich brown ; to the naked eye, 

 nearly black. Form oval, or nearly circular. Edge 

 * From Ktjjae, a hora. 



