Citation: Jl. Neff et Bb. Simpson, NESTING AND FORAGING BEHAVIOR OF ANDRENA (CALLANDRENA) RUDBECKIAE ROBERTSON (HYMENOPTERA, APOIDEA, ANDRENIDAE) IN TEXAS, Journal of the Kansas Entomological Society, 70(2), 1997, pp. 100-113
Citation: Bn. Danforth et al., NESTMATE RELATEDNESS IN A COMMUNAL BEE, PERDITA-TEXANA (HYMENOPTERA, ANDRENIDAE), BASED ON DNA-FINGERPRINTING, Evolution, 50(1), 1996, pp. 276-284
Citation: Dj. Bogler et al., MULTIPLE ORIGINS OF THE YUCCA-YUCCA MOTH ASSOCIATION, Proceedings of the National Academy of Sciences of the United Statesof America, 92(15), 1995, pp. 6864-6867