| occurrence of treehoppers (hemiptera: membracidae: smiliinae) on oaks in delaware water gap national recreation area, 2004-2006. | a total of 870 treehoppers and 24 species from the tribe smiliini (hemiptera: membracidae: smiliinae) were collected from various oaks in the delaware water gap national recreation area in 2006 using yellow sticky cards. combining all years and collecting methods, 27 species were found in the park. a majority of the specimens collected in 2006 were males of cyrtolobus vau and ophiderma pubescens, as in previous years. most of the treehoppers were caught in mid to late june, comparable to 2004 an ... | 2008 | 20302540 |