338 IIALTDAY ON 



Tlic female is commonly to be found on the flowering 

 panicles of Anthoxanthum ; the male is very rare. 



Sp. 2. P. chalybea. Antemiaruni articuUs 3°. — 6'"". sensim 

 crescentibus .T""". abrwpte majore; femince aculeo hrevi' 

 (Long. Corp. et acul. .08; alar. .13.) 



Pirene chalybea. Curtis, G. 



Proecedenti concolor, fronte aenea : statura hujus vero crassior : 

 antemife nonnihil longiores, scapo in utroque sexu lineari, articulis 

 3". — 6"'". transversis, in $ brevioribus, sensim crescentibus, 7°"*. 

 illis majore sed S""" hand adequante : abdomen maris ut in prsece- 

 dente ; — femince brevius, oblongum dorso magis deplanatum, 

 aculeo crasso vix sextantem abdominis longitudinem attingente : 

 pedes paulo crassiores : alaj candido-hyalina;, cubiti apice in 

 punctum dilatato. 



Not uncommon upon the boughs of larch trees and the 

 flowers of Senecio Jacobea, late in the summer. 



Sp. 3. P. eximia. Antennarum articulis 3". — 6"'. sensim 

 crescentibus, 7'"". ahrupte majore aculeo elongato. ? (Long. 

 Corp. etacul. .1 ; alar. .12.) 



Femince praecedenti simillima : antenna? nonnihil longiores : abdo- 

 men etiam longius, aculeo graciliore ejus dimidiam longitudinem 

 superante. 



Sp. 4. P. graminea. Antennarum articulis 3°. — 6". minu- 

 tissimis, 7""'. maximo ; aculeo brevissimo Femina. (Long. 

 .06; alar. A.) 



Praecedentibus minor brevior, nigra nitida clialybeo micans, tarsis 

 fusco-pallidis : pedes quam in illis graciliores : antennae breviores 

 articulo 7'"". vix minore quam 8'": shAomGra femince vix thoracis 

 longitudine, ovatum compressum, aculeo brevissimo : alae byalinoe 

 nervis tenuissimis, cubiti apice dilatato. 



On grass in summer ; but rare. 



Trib. 3''\— EuLOPHi. 



Tarsi tetrameri. Palpi biarticulati suhconici. 



Or the genus Entedon of Dalman, excluding Aphelinus ; 



but his generic character is too exclusive, as the aculeus is 



exserted in several, and the number of joints in the antennae 



varies up to eleven. 



