THE GENETICS OF HABROBRACON JUGLANDIS ASHMEAD 



Clark, Arnold M., 1942. Linkage relations of 

 six factors in Habrobracon. THE JOUR- 

 NAL OF HEREDITY, vol. 33, pp. 78-80. 

 , 1943. Linkage relations in Habrobracon 

 and the effects of temperature, X-radi- 

 ation, and age, on crossing over. PRO- 

 CEEDINGS OF THE PENNSYLVANIA ACADEMY OF 

 SCIENCE, vol. 17, pp. 47-64. 



Cushman, R. A., 1914. A revision of the North 

 American species of the braconid genus^ 

 Habrobracon Johnson (Ashmead ) . PROCEED- 

 INGS OF THE ENTOMOLOGICAL SOCIETY OF 

 WASHINGTON, vol. 16, p. 101. 



, 1922. The identity of Habrobracon brev- 



icornis (Wesmael) (Hymenoptera, Bracon- 

 idae). PROCEEDINGS OF THE ENTOMOLOGI- 

 CAL SOCIETY OF WASHINGTON, vol. 24, pp. 

 122-124. 



Darlington, C. D., 1937. RECENT ADVANCES IN 

 CYTOLOGY. Chapter IV, pp. 86-119. Phil- 

 adelphia, Pennsylvania. P. Blakiston's- 

 Son and Company, Inc., 2nd edition. 



David, Lorna Thigpen, 1938. The effect of tem- 

 perature on eye color in Habrobracon 

 juglandis (Ashmead). THE AMERICAN NAT- 

 URALIST, vol. 72, pp. 574-577. 



David, Paul R., 1930. The linkage relations of 

 long antennae. PROCEEDINGS OF THE PENN- 

 SYLVANIA ACADEMY OF SCIENCE, vol. 4, 

 pp. 80-82. 



Davidson, J., 1942. On the "speed of develop- 

 ment of insect eggs at constant temper- 

 atures. AUSTRALIAN JOURNAL OF EXPERI- 

 MENTAL BIOLOGY AND MEDICAL SCIENCE, 

 vol. 20, pp. 233-239. 



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