| egg morphology, laying behavior and record of the host plants of ricania speculum (walker, 1851), a new alien species for europe (hemiptera: ricaniidae). | the exotic planthopper, ricania speculum (ricaniidae) was recently detected in liguria, in northern italy, and recorded as a first alert for europe. the first morphological description of eggs and laying behavior are given. eggs are inserted into the woody tissue of a wide range of different host plants in such a unique manner among native and alien planthoppers of italy that it can be used to describe the prevalence and diffusion of the species in new environments, though in the absence of juve ... | 2015 | 26624704 |
| first report of ricania speculum (walker, 1851) in europe (hemiptera: fulgoromorpha: ricaniidae). | ricania speculum (walker, 1851) (hemiptera: fulgoromorpha: ricaniidae) is reported for the first time in europe. both nymphs and adults were observed from 2009 in several municipalities of liguria (italy). since the species is extremely polyphagous and is a real pest for several crops in tropical and subtropical areas, the presence of this alien insect is noteworthy, representing a new possible threat for native species and human activities. | 2014 | 25283410 |