作者: Steven J. Taylor
DOI: 10.1155/2009/562471
关键词:
摘要: The phenology of three species Gerroidea (Heteroptera), Metrobates hesperius Uhler (Gerridae), Rhagovelia oriander Parshley (Veliidae), and Rhematobates tenuipes Meinert was studied on a river in central Illinois (USA). the most abundant species, active from mid-May through mid-October. It bivoltine overwintered as eggs. Matinig oviposition M. were observed mid-July. Rhagovelia present to mid-November. This (or possibly trivoltine), overwintering Rheumatobates not until early August, mid-November univoltine. overwinters adults nymphs, may undergo an extended season diapause. occupied differing microhabitats differed periods peak abundance, with being first R. August