1887.] 79 



Chrysophanus Pklceas. — Of general occurrence, and the last butterfly to be seen 

 on the approach of winter. 



J'olyommatus Argiolus.— Common amongst holly towards Ewell ; very abundant 

 in 1870. P. Alsiis. — Yery common everywhere. P. Corydon. — Always common on 

 the chalk ; sometimes it literally swarms. P. Adonis. — More local and not so 

 plentiful ; rather plentiful this year. P. JEgon. — Also common. P. Agestis. — A 

 very common species ; most plentiful, perhaps, on the sandliills at Deal. 



Syrichthus malvcB. — Woods. 



Thanaos Tages. — Very common. 



Besperia linea. — Also common, if. sylvanus. — The most common of the genus. 

 H. comma. — Local ; under the cliff near Kingsdown, and St. Margaret's Bay. 



Other species may occur whicb have escaped mj observation ; and, 

 in conclusion, I wish to say that the above notes are entirely with 

 regard to my own experience. 

 Dover: July 6^1,1887. 



OBSERVATIONS UPON ASPIDIOTUS RAPAX, COMSTOCK, 

 AND A. CAMELLIA (BOISD.), SIQNOEET : TWO ALLIED SPECIES 



OE COCCID^. 



BT ALBEKT C. P. MOEGAN, P.E.S. 



I have already (p. 68, ante) on the one hand referred to the 

 similarity which exists between the allied species of A. rapax and 

 A. camellicB, belonging to the sub-family of Diaspince, and on the 

 other hand I have also quoted the opinions of competent authorities 

 to the effect that we should not be justified in concluding that the 

 two species are identical. 



It may, perhaps, therefore, be convenient to bring before the 

 reader the characteristic details of each species, in order that he may, 

 without necessity of research, observe which are the characters com- 

 mon to both, and which are peculiarly distinctive of each species. 



In order to do this, it will be well to recall Dr. Boisduval's* 

 description of w^hat he named Kermes camellioB. It must be re- 

 membered that he divides the f amily f of Goccidce into two genera only, 

 viz., Chermes and Cochinelles. In the former he includes what are 

 now classed as sub-families, Diaspincd and Lecanince, and in the 

 Cochinelles he includes the sub-family Coccince. 



In his " Entomologie Horticole " (1867), p. 334-, Boisduval writes 

 thus : — 



" Ce petit insecte est allonge, ovale, lineaire, un peu deprime, d'un brun roux, 

 Bouvent legerement arque, rappelant un peu par sa forme la Kermes coquille si com- 

 * Ess. sur TEnt. Hort. (1867), p. 334. f op. cii., p, 301. 



