| first records of two mealybug species in brazil and new potential pests of papaya and coffee. | five mealybug (hemiptera: pseudococcidae) plant pest species: dysmicoccus grassii (leonardi), ferrisia malvastra (mcdaniel), ferrisia virgata (cockerell), phenacoccus tucumanus granara de willink, and pseudococcus elisae borchsenius are recorded for the first time in the state of espírito santo, brazil. these are the first records of d. grassii in brazil, from papaya (carica papaya, caricaceae), and from coffee (coffea canephora, rubiaceae). ferrisia malvastra is also newly recorded in brazil, w ... | 2006 | 19537975 |
| a survey of scale insects (sternorryncha: coccoidea) occurring on table grapes in south africa. | increasing international trade and tourism have led to an increase in the introduction of exotic pests that pose a considerable economic threat to the agro-ecosystems of importing countries. scale insects (sternorryncha: coccoidea) may be contaminants of export consignments from the south african deciduous fruit industry to the european union, israel, united kingdom and the united states, for example. infestations of immature scale insects found on south african fruit destined for export have re ... | 2009 | 20050816 |