THE GENETICS OF HABROBRACON JUGLANDIS ASHMEAD 



PATROCLINOUS, having certain characteristics 



derived from the father, as diploid males 



in Habrobracon. 

 PEDICEL, the second segment of an insect antenna. 

 PLEURA, the lateral divisions of an insect 



segment. 

 PRAESGUTUM, the anterior chitinized line of an 



insect notum, or prothoracic sclerite (see 



SCLERITE) . 

 PRIMARY WINGS, the anterior wings of an insect. 



R 



RADIUS VEIN, the vein that forms the distal 

 costal margin in Habrobracon primary wings. 



RADIUS VEINS, Rl, R3, and R4, are branches of 

 the radius vein. 



RECOMBINATION, a new combination of linked char- 

 acters in an individual resulting from 

 crossing-over in one or both of the par- 

 ents; also the individual possessing the 

 new combination. 



SCAPE, the first segment of an insect antenna. 



SCLERITE, any definite area of chitinization in 

 the cuticle of an insect. 



SCUTELLUM, the posterior chitinized line of an 

 insect notum or prothoracic sclerite (see 

 SCLERITE) . 



SCUTUM, the central chitinized line of an in- 

 sect notum or prothoracic sclerite (see 

 SCLERITE). 



SECONDARY WINGS, the posterior wings of an 

 insect. 



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