Camporese, P., & Pellizzari, G. 1991 Segnalazione di Pseudococcus microcirculus McKenzie (Homoptera, Coccoidea) su orchidee coltivate in Serra. [Pseudococcus microcirculus McKenzie (Homoptera, Coccoidea) on cultivated orchids in Italy].. Informatore Fitopatologico 41(11): 59-61.

Notes: Abstract: This pest species lives on roots of orchids in greenhouses in northern Italy; also found on Anselia, Cattleya, and Oncidium; also occurs in Brazil, California and Florida; list of mealybugs known to live on orchids and sometimes intercepted by quarantine services given; inspection of imported exotic plants recommended.