82 THE FAUNA OF SCOTLAND. 



4. S. INCRASSATUS, HtfJ. 



Synergus incrassatus, Htg., Germ. Zeit. ii. 199 ; Mayr, I. c. 707- 

 In galls of Cynips Kollarl, Cadder. 



5. S. TscHEKi, 3Iayr. 

 Synergus Tschcki, Mayr, I c. 708 



Common — in galls of Andricus divisa, A. ostreiis^ Neuroterus numismatisy 

 and N. Unticidaris. 



6. S. PALLICORNIS, Htg. 



Syuergus palUcornis, Htg., Germ. Zeit. iii. 348; Mayr, I. c. 709. 

 Syn^-gus austmlis, Htg., I. c. iv. 414. 



Do. favicornis, Htg., I c. ii. 198 ? 



Do. nlgrlpes^ Htg., I. c. ii. 198? 

 In galls of Andricus divisa. 



7- S. ALBIPES, Htg. 



Synergus allnpes, Htg., Germ. Zeit. iii. 349 ; Mayr, /. c. 712. 



Synergus erythrostomus, Htg., I. c. 349. 



Common — In galls of Neuroterus bacceirum, And. curveitor, and A, divisa. 



8. S. NERvosus, Htg. 

 Synergus nervosus, Htg. , Germ. Zeit. ii. 197 ; Mayr, I. c. 713. 

 Do. tibialis, Htg., I.e. ii. 197. 

 Do. oiigricornisj Htg., l c. iii. 347? 

 In galls of And. nodidi, And. ccdlidoma, And. collaris, and in acorns 

 (see p. 84). 



9. S. VULGARIS, Htg. 



Synergus vulgaris, Htg., Germ. Zeit. ii. 198 ; Mayr, I.e. 715. 



In galls of And.solitaria, And. callidoma, and Dryophanta Taschenbergi. 



10. S. FACIALIS, Htg. 



Synergus facialis, Htg., Germ. Zeit. ii. 199; Mayr, I.e. 717. 



Do. hispinus, Htg., I.e. iii. 349. 

 Diplolepis gcdlacpomiforniis, Fourc, Ann. Sc. Nat., xxvi. 395 (partim). 

 In galls of And. cdhopunctata, A. solitaria, A. curvator, A. ramidi, 

 Neuroterus haccarum, N. tricolor, and Biorhiza (terminalis) aptera, 



11. S. RADiATUS, Mayr. 

 Synergus radiatus, Mayr, I. c. 718. 



In galls of Andricus cdhopunctata, A. callidoma, A. curvator, and Neuro- 

 terus haccarum. 



Genus: CEROPTRES. 

 Ceroptrcs, Htg., Germ. Zeit. ii. 180. 



