New British Aphides. lvii 



of the body : the legs are short and dull green ; the tarsi and the tips of the tibiae are 

 brown. 



Found with the preceding varieties of the winged Aphis, at the end of May. 



Aphides on the Cheese-rennet (Galium verum). 

 Aphis Dianthi, var. ? 



The wingless viviparous female. — The body is very small, oval, convex, dark green, 

 slightly shining : the antennae are yellow, black towards the tips, and much shorter 

 than the body : the rostrum is dull green ; its tip and the eyes are black : the tubes 

 are black and nearly as long as one-fourth of the body : the legs are dull yellow and 

 rather short ; the knees, the tarsi and the tips of the tibiae are black. When young 

 it is pale green, linear and flat. 



Var. 1. The body is dark yellow. 



Var. 2. The tubes are green at the base. 



Found in the beginning of October, near Fleetwood. 



Aphides on the Black Knapweed (Centaurea nigra). 

 Aphis Lactuc^: ? 



The wingless viviparous female. — The body is small, nearly linear, slightly convex, 

 pale greenish yellow, smooth, shining : the antennae are pale yellow, longer than the 

 body ; the tips of the joints are black : the rostrum is pale yellow ; its tip and the eyes 

 are black : the tubes are pale yellow, with black tips, and nearly one-fourth of the 

 ■length of the body: the legs are long and very pale yellow ; the knees and the tips of 

 the tibiae are brown ; the tarsi are black. When young it is almost white. 



Found in the middle of October. 



Aphides on the Mignonette (Reseda odorata). 



Aphis introducta. 



The wingless oviparous female. — The body is very small, oval, slightly convex, 

 shining, dark green, with a rim on each side of the body : the head is yellow : the 

 antennae are pale yellow and about half the length of the body ; the tips of the joints 

 are black : the rostrum is pale yellow ; its tip and the eyes are black : the legs are 

 pale yellow ; the knees, the tarsi, the tips of the tibiae and the whole of the hind tibiae 

 are black ; the latter are rather wide. 



Francis Walker. 



Art. X. — Descriptions of New Species of British Bees. By Frederick Smith, Esq., 

 Curator to the Entomological Society. 



Ceratina albilabeis, Spin. 



Ceratina albilabris, Spin. Ins. Lig. t. 1, p. 151, female. Ceratina nitidula, Spin. Ins. 



Lig. No. 2, male. Prosopis albilabris, Fab. Syst. Piez. p. 293, 2, female. 



Male. — (Length 2| lines). Black, punctate : head, the clypeus and a spot on the 

 VII. APPENDIX. H H 



