Authors: Cognato, AI Sperling, FAH

Citation: Ai. Cognato et Fah. Sperling, Phylogeny of Ips DeGeer species (Coleoptera : Scolytidae) inferred from mitochondrial cytochrome oxidase I DNA sequence, MOL PHYL EV, 14(3), 2000, pp. 445-460

Authors: Cognato, AI

Citation: Ai. Cognato, Phylogenetic analysis reveals new genus of Ipini Bark Beetle (Scolytidae), ANN ENT S A, 93(3), 2000, pp. 362-366

Authors: Cognato, AI Seybold, SJ Sperling, FAH

Citation: Ai. Cognato et al., Incomplete barriers to mitochondrial gene flow between pheromone races of the North American pine engraver, Ips pini (Say) (Coleoptera : Scolytidae), P ROY SOC B, 266(1431), 1999, pp. 1843-1850