Life Histories of Two Endangered Sea Skaters Halobates matsumurai Esaki and Asclepios shiranui (Esaki) (Hemiptera: Gerridae: Halobatinae)

Figure 5

Frequency distribution of height of H. matsumurai eggs laid on a sandstone wall in relation to tidal level. The solid line is percent of duration of submergence under water of the period from November 2008 to April 2009.