GLOSSARY OF TERMS MOST COMMONLY USED IN 

 HABROBRACONOLOGY 



ALLELE, one of two or more alternative heredi- 

 tary units or genes, or of the characters 

 associated with the genes; for example, 

 the gene responsible for orange eyes in 

 Habrobracon is an allele of the alterna- 

 tive normal gene for black eyes (Synony- 

 mous with ALLELOMORPH). 



ANDROGENESIS, development from a sperm. 



AROLIUM, an appendage between the claws of 

 insects . 



ARRHENOTOKY, production of impaternate males. 



AXILLA (AXILLARIES) , the articular scleriteS' 

 of insect wings (excepting the tegula, 

 which is at the front edge of the wing- 

 joint) . 



AZYGOUS MALE, male produced by haploid arrhe- 

 notoky in the regularly established par- 

 thenogenesis of Dzierzon's Law. 



B 



BACK-CROSS, the mating of a hybrid to one of 

 the parental varieties or species which 

 produced the hybrid. 



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