240 Rev. T. A. Marshall's monograph of 



(14) 13. Suturiform articulation curved, con- 



cave behind 7. connexus, Nees. 



(13) 14, Suturiform articulation straight . . 8. tiro, Reinh. 



Section IL First segment not, or hardly, longer than 

 its apical breadth. 



(18) 1. Segment 2 rugulose. 



(7) 2. Abdominal segments 1 — 3 rugulose. 



(4) 3. Abdomen at the base, and coxa3, red 9. russatus, Hal. 

 (3) 4. Abdomen at the base, and at least the 



hind coxiv, black. 

 (6) 5. Squamulaj black 10. ntgulosus, Nees. 



(5) G. SquaniuLT rufous . . . . . . 11. scoticus, n. s. 



(2) 7. Abdominal segments 1 — 2 rugulose. 



(11) 8. Anterior half of the belly testaceous. 



(10) 9. Stigma subbicolorous 12. noiucinK, n. s. 



(9) 10. Stigma unicolorous . . . . . . 13. subcoinpletus, Nees. 



(8) 11. Anterior half of the belly black or 



l^itchy fuscous. 



(13) 12. Femora rufous .. .. .. ..14. globatu.f, h. 



(12) 13. Femora more or less black. 

 (17) 14. Antennae J setaceous. 



(16) 15. Wings more or less inf uscated ; meta- 



thorax carinated .. .. ..15. <i?;/(7?/s, Nees. 



(15) 16. Wings hyaline ; metathorax not cari- 



nated . , . . . . . . . . 16. liospes, n. s. 



(14) 17. Antennae $ filiform . . . . . . 17. crassiconiis, Euthe. 



(1) 18. Segment 2 smooth. 



(20) 19. Segment 2 with two arcuate impressions 



diverging forwards .. .. ..18. sjyrettif!, n. s. 



(19) 20. Segment 2 with no such impressions 19. politus, n. s. 



Section I. 



1. Microgaster alvearius, Fab. 



Ichneumon alvearius, Fab., E. S., Suppl., 232; Crijptus 



alvearius, Fab., Piez., 90. 



Microgaster alvearius, Spin., Ins. Lig., ii., 149 ; Cur., 



B. E., pi. cccxxi. ; Nees, Mon., i., 172; Hal., 



Ent. Mag., ii., 240; Ratz., Ichn. d. Forst., iii., 



50 ; Buthe, Berl. ent. Zeit., 1860, p. 153, ^ ? . 



Cf. Reau., Mem., ii., 432, pi. xxxv., f. 7 ; Westw., 



Int., ii., 148, pi. Ixvii., f. 17 (cocoons). 



Testaceous, variable ; antennae above, metathorax, disk of the 



abdomen, belly at the apex, knees of the hind legs, their tibiiTS at 



the tii^s, and their tarsi, blackish. Wings hyaline, squamulte pale, 



stigma and some of the nerviires fuscous, the rest colourless. Head, 



