MONOGRAPHIA CHALCIDUM. 25 



Sp. 7. Eur. nitida. Mas. Nigra, Eur. apicali qffinis, alis 



hyalinis aiigustioribus. 

 Caput obscurum : oculi nigro-fusci : ocelli rufi : thorax et petiolus 



obscuri, punctati : abdomen nitidum, glabrum : genua tarsique 



flavi. (Alarum longitudo, lilin.) 



It is nearly related to Eur. apicalis, but has much longer and 

 more slender antennae : the wings also are narrower. 



July ; amongst grass in fields ; Southgate. 



Sp. 8. Eur. gracilis. Mas et fem. Nigra, prcecedenti longior, 

 alis hyalinis. 



Caput obscurum : oculi ocellique rufi : thorax et petiolus obscuri, 

 punctati : abdomen nitidum, glabrum : pedes flavi : maris femora 

 tibiasque 4 posticae fusco-cingulatae, femince nigro-fiiscae : tibiae 

 aniiae femince supra fuscse. (Alarum longitudo, I2 — If lin.) 

 It is longer and more slender, and has narrower wings than 



Eur. apicalis : the female may be distinguished from Eur. 



collaris by its more linear form, more clavate antennae, shorter 



and narrower wings, &c. 



July ; amongst grass, in fields ; Southgate. End of May ; 



Southampton. 



Sp. 9. Eur. annulipes. Mas. Nigra, tihiis fiisco citigidatis, 

 alis subfuscis. 



Caput obscurum : oculi ocellique rufo-fusci : thorax et petiolus 

 obscuri, punctati : abdomen nitidum, glabrum : pedes flavi : 

 femora basi nigra : tibiae nigro-fusco cingulatae. (Alarum longi- 

 tudo, 1 — If lin.) 



Var. — Tibiae anticas fuscae. 



Like Eur. gracilis ; but the antennae are shorter, the wings 



broader, and the alary nervures paler. 



September ; Isle of Wight. July ; Forest of Fontainebleau. 



Sp. 10. Eur. minuta. Mas. Nigra, alis hyalinis alhis. 

 Caput obscurum : oculi ocellique rufo-fusci : genua tarsique flavi : 



tibiae anticae fuscae. (Alarum longitudo, I lin.) 



I discovered this very minute species in the Forest of Fon- 

 tainebleau, during the month of July. 



Sp. 11. Em', rufipes. Mas et fem. Nigra, pedihiis rnjis, 

 alis hyalinis. 



Caput obscurum : oculi ocellique rufo-fusci : thorax et petiolus 

 obscuri, punctati : abdomen nitidum, glabrum : pedes pallide 

 NO. T. VOL. I. E 



