HYMENOPTERA. 43 



more or less in the middle and the whole of the following seg- 

 ments black. 

 Hab. Van Diemen's Land. 



12. PARASPHECODES TALUCHIS, n. s. 



Female. Length 3 lines. Head and thorax black, the clypeus 

 slightly produced and roughly punctured at the apex, flagellum 

 rufo-testaceous towards the apex. Thorax very finely and closely 

 punctured ; the base of the metathorax enclosed by a sharp arched 

 ridge, the enclosure strongly longitudinally rugose ; tegulse rufo- 

 testaceous ; wings rufo-hyaline, beautifully iridescent, their ner- 

 vures ferruginous ; legs dark rufo-testaceous, the tarsi palest. 

 Abdomen red, slightly fuscous towards the apex. 

 Hab. Van Diemen's Land. 



Genus 15. HALICTUS. 

 (Details, Plate II.) 



Apis, pt., Linn. Syst. Nat. i. 953, 1/66. 



Hykeus, pt., Fab. Syst. Ent. ii. 302, 1/93. 



Melitta, pt., Kirby, Mon. Ap. Angl. i. 138, * * 6, 1802. 



Prosopis, pt., Fab. Syst. Piez. p. 293, 1804. 



Megilla, pt., Fab. Syst. Piez. p. 328, 1804. 



Halictus, Latr. Hist. Nat. xiii. 364, 1805. 



Lasioglossum, Curtis, Brit. Ent. x. 418, 1834. 



1. HALICTUS QUADRISTRIGATUS. B.M. 



Halictus quadristrigatus, Latr. Hist. Nat. Crust. Ins. xiii. 365.1 ; 

 Gen. Crust. Ins. iv. 154. 



St.Farg.Hym.ii.265. 1. 



Brulle, Exped. Sc. Moree, Hi. 348. 768. 



Luc. Expl. Sc. Alger. iii. 182. 91. 



Nyland. Revis. Ap. Boreal, p. 237. 1. 

 Hylaeus grandis, Illig. Mag. fur Ins. Kund. v. 57. 29. 



Schaff. Icon. Ins. Ratisb. t. 32. f. 19, $ . 



Andrena quadristrigata, Spin. Ins. Lig. fasc. 1. p. 123. 11, male. 

 Halictus ecaphosus, Walck. Mem. Halict. p. 58. t. 1. f. 1, a-e. 

 Hab. France; Italy; Germany; Belgium; Algeria. 



2. HALICTUS SEXCINCTUS. B.M. 



Apis sexcincta, Fab. Syst. Ent. ii. 387. 54 ; Sp. Ins. p. 485. 73 ; 



Mantiss. i. 305. 84. 

 Hylseus sexcinctus, Fab. Ent. Syst. ii. 304. 6, <J ; Syst. Piez. 



p. 320. 4. 



