1965. The genetic basis of color patterns of aquatic beetles of the Tropisternus collaris complex (Coleoptera: Hydrophilidae). Proc. Entomol. Soc. Amer. N. Cent. Br., 20: 87-92.
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1965. The genetic basis of color patterns of aquatic beetles of the Tropisternus collaris complex (Coleoptera: Hydrophilidae). Proc. Entomol. Soc. Amer. N. Cent. Br., 20: 87-92.