Three species of the spittlebug genus Sphenorhina （Hemiptera： Cercopidae） have been observed in association with Crassocephalum crepidioides and Chromolaena ordorata, weedy tropical species in the family Asteraceae...Three species of the spittlebug genus Sphenorhina （Hemiptera： Cercopidae） have been observed in association with Crassocephalum crepidioides and Chromolaena ordorata, weedy tropical species in the family Asteraceae that have been implicated as nitrogen-fixing plants. The spittlebugs may be serving as indirect indicators of nitrogen fixation in some species of Asteraceae, a group in which nitrogen fixation has not been well established.展开更多
文摘Three species of the spittlebug genus Sphenorhina （Hemiptera： Cercopidae） have been observed in association with Crassocephalum crepidioides and Chromolaena ordorata, weedy tropical species in the family Asteraceae that have been implicated as nitrogen-fixing plants. The spittlebugs may be serving as indirect indicators of nitrogen fixation in some species of Asteraceae, a group in which nitrogen fixation has not been well established.
