D. W.  Buden and Paulson, D. R., ?Odonata of Yap, Western Caroline Islands, Micronesia?, Pacific Science, vol. 61, pp. 267?277, 2007.

R. S.  Zack, Moore, A., and Miller, R. H., ?First record of a pigmy backswimmer (Hemiptera: Heteroptera: Pleidae) from Micronesia?, Zootaxa, vol. 1617, pp. 67?68, 2007.