TRICHOGRAMMIDjE. 



105 



a. First joint of the antennae much incrassated. 



* Fore wings fringed around with long hairs. - Ceranisus. 

 ** Costa of the fore wings not fringed with long 



hairs. ----- Barysoapus. 



b. First joint of the antenna? not incrassated. 



* Antennae 10-jointed, without ringlets. - Hyperteles. 



* Antennae of the male 9-jointed, without 



ringlets ; of the female 10-jointed, with two 



ringlets and with a 3-jointed club. - Tetrastichus. 



Triphasius and Thysanus are identical ; this genus should be 

 removed from the Tetrastichidae. Hyperteles is founded on Eulophus 

 elongatus, Foerst. 



Fain. 20. TKICHOGKAMMID^. 



A. Fore wings with lines of hairs. 



a. Humerus and ulna not united. - - Poroposa. 



b. Humerus and ulna united. 



* Antennae 8-jointed. Humerus forming a curve. Trichogramma. 

 ** Antennae withless than eight joints. Humerus 



not forming a curve. 

 f Wings fringed around with long hairs. - Chcetosticha. 



■f-j- Wings with some short hairs between the 



radius and the tip. 

 X Antennae 7-jointed, with a ringlet and with a 



4-jointed club. ... - Lathromeris. 



XX Antennae 6-jointed, with no ringlet and with 



a three-jointed club. - - - Centrobia. 



B. Fore wings without lines of hairs. 



a Antennae 7-jointed. - Asynacta. 



b. Antennae 6-jointed. 



* Fore wings broad, with a pubescent border. - Brachista. 



* Fore wings narrow, fringed with long hairs. - Oligosita. 



Poropcea and Ophioneums, Batz., are one genus. Brachista, Hal., 

 is altered by Foerster to Brachysticha, 



