LIST OF HOMOPTEROUS INSECTS. 911 



first much thicker than the second, and about twice its length ; 

 third and following long, successively decreasing in length ; tenth 

 spindle-shaped, terminating in a bristle : abdomen yellow beneath : 

 fore-wings brown, with a few almost colourless spots; brand red, 

 narrow, nearly half the length of the wing ; veins ferruginous ; 

 upper fork at three-fifths of the length of the wing, its lower branch 

 slightly undulating ; lower fork about the middle of the wing, its 

 upper fork full thrice the length of the lower : hind-wings slightly 

 gray. Length of the body 2| lines ; of the wings 7 lines. 

 a. Van Diemen's Land. From Mr. Shuckard's collection. 



Genus 2. DIRAPHIA. 



Diraphia, Waga, Ann. Soc. Ent. Fr. xi. 275. Guer. Amyot et Serv. 

 Hist. Nat. Htm. 596. 



1. DlBAPHIA LIMBATA. 



Diraphia limbata, Waga, Ann. Soc. Ent. Fr. xi. 275. Guer. Icon. 

 Reg. Anim. 1842, 293. Amyot et Serv. Hist. Nat. Hem. 597. 

 Diraphia, Amyot, Ann. Soc. Ent. Fr. 2me Serie, v. 462, 515. 

 Poland. 



Genus 3. LIVILLA. 



Livilla, Curt. Brit. Ent. 625. Foerster. 

 Psylla, p., Klug, Waltl., Germ. 



1. Livilla Ulicis. 



Livilla Ulicis, Curt. Brit. Ent. 625. Foerster, Psylloden, Verhandl. 



Naturhist. Vereins der Preuss. Rheinlande, 1848, 3, 68, 1. 

 Psylla coleoptrata, Klug, Isis, 1837, 277. Waltl. Germ. Zeit. Ent. 



i. 365. 

 Psylla Genistae, Germ, 

 a—c. England. Presented by J. C. Dale, Esq. 



d. France. 



e. Prussia. Presented by F. Walker, Esq. 



Genus 4. ARYTAINA. 



Chermes, p., Linn., Fabr., Gmel., Berlc., Stew. 



Psylla (Section 3), Hartig. 



Arytaina, Foerster, Psylloden, Verhandlungen des Naturhistorischen 



Vereins der Preussischen Rheinlande, 1848, 67. 

 Psylla, p., Hartig. 



3 L 2 



