LIST OF HOMOPXEKOUS INSECIS. 



10. Pemphigus Amebicancs. 



Nigra, alio lanuginosa; alis subcinereis, stigmate el venis nigro- 

 fuscis. 



A little smaller and more slender than P. Bumelite ; brand 

 darker than that of P. Xylostei ; distinguished from both species 

 by its darker veins. Black, covered willi white cotton-like matter : 

 wings slightly gray ; brand and veins dark brown. Length of the 

 body 1 line ; of the wings 4 lines, 

 a — d. Nova Scotia. From Lieut. Redman's collection. 



II. PeMPHIOUS GLOBOSUS. 



Pallide viridis,globosa, pollinosa ; thorax in alato obseurus. 



Pale green, short, broad, almost globose, thickly covered with 

 white powder: feelers short: rib-vein diverging much from the fore 

 border beneath the brand, converging move abruptly to it beyond 

 the base of the fourth vein ; first and second veins united at the base, 

 diverging much from thence to the lips ; tbird vein simple, wanting 

 for one-third of the length from the base, nearer to the .tecond at the 

 tip than the second is to the first ; fourth slightly curved near the 

 base, straight from thence to the lip, as near to the third vein as to 

 the tip of the rib-vein. From the roots of the Scarlet Runner, in 

 November. 



a — r. England. (In Canada Balsam). From Mr. Walker's collec- 

 tion. 



12. Pemphigus? Pistaci*. 



Aphis PistaciiB, Linn. St/st. Nat. ii. 737, ."JS. Fabr. Sp. Ins. ii. 389, 

 42. Mant. Ins. i\.ii\7, 47. Ent. Sgst. iv.2\9,4S. Si/st. Rhi/n. 

 301, 48. Gmel. Ed. Si/st. Nat. i. 14, 2209, 33. Siml. Vil. 

 Ges. 49. Camer.Epit.6l. Lob. Icon. 100. Dodon. Pempt. 

 780. Bauh. Hist. i. 279. Theodr. Hist. 1439. Riaum. Hist. 

 Nat. Ins. iii. 281, 350, pi. 24, f (5, pi. 25, f. 1—3. Rossi, Faun. 

 Etrusc. 264, 1399. Ilofmann, Edl. von Hofinannsthal (Die 

 Caruba di Guidea), 1842. Kirbg ^ Upence, intr. Ent. i. 451. 

 Fonscol. Ann. Soc. Ent. Ft. x. 192, 34. Kalt. Mon. PJlan. 

 140, 108. Fenissac, Nouv. Bull. Sci. iii. Bull. Soc. Phil. 

 1812, 1813. 



3 z 3 



