Australian Biological Resources Study

Australian Faunal Directory

Museums

Regional Maps

Species Pulvinaria psidii Maskell, 1893

Green Shield Scale, Guava Mealy Scale

Ecological Descriptors

Sap-feeder.

 

ID Keys

(Kosztarab, M., 1996) [375] (female; northeastern North America); (Tang, F.T., 1991) [226] (female; China); (Williams, D.J. & Watson, G.W., 1990) [148] (female; tropical South Pacific); (Hamon, A.B. & Williams, M.L., 1984) [87] (female; USA, Florida); (Tao, C.C.C., Wong, C.Y. & Chang, Y.C., 1983) [83] (female; Taiwan); (Kawai, S., 1980) [148-150] (female; Japan); (Williams, M.L. & Kosztarab, M., 1972) [119] (female; USA, Virginia); (Ezzat, Y.M. & Hussein, N.A., 1969) [373] (female; Egypt); (Beardsley, J.W., 1966) [491] (female; Micronesia); (Borchsenius, N.S., 1957) [205] (female; Palaearctic Region); (Zimmerman, E.C., 1948) [333] (female; Hawaii); (Green, E.E., 1909) [264-265] (female; Ceylon)

 

GENERAL

Good description and illustration of adult female by Zimmerman, E.C. 1948. Homoptera: Sternorrhyncha. pp. 268 in Zimmerman, E.C. (ed). Insects of Hawaii. Honolulu : University of Hawaii Press Vol. 5 464 pp., Hodgson (1968), Ezzat, Y.M. & Hussein, N.A. 1969. Redescription and classification of the family Coccidae in U.A.R. (Homoptera: Coccoidea). Bulletin de la Société Entomologique d'Egypte 51: 359–426, Williams, M.L. & Kosztarab, M. 1972. Morphology and systematics of the Coccidae of Virginia with notes on their biology (Homoptera: Coccoidea). Research Division Bulletin Virginia Polytechnic Institute and State University, Blacksburg 74: 1–215, Hamon, A.B. & Williams, M.L. 1984. The soft scale insects of Florida (Homoptera: Coccoidea: Coccidae). In, Arthropods of Florida and Neighboring Land Areas. Gainesville : Fla. Dept. of Agric. & Consumer Serv. Div. Plant Ind. 194 pp., Williams, D.J. & Watson, G.W. 1990. The Scale Insects of the Tropical South Pacific Region. Pt. 3: The soft scales (Coccidae) and other families. London : CAB International Institute of Entomology 267 pp., Tang, F.T. 1991. [The Coccidae of China]. Taiyuan, P. R. China : Shanxi United Universities Press and by Kosztarab, M. 1996. Scale insects of Northeastern North America. Identification, biology, and distribution. Martinsburg, Virginia : Virginia Museum of Natural History 650 pp..

BIOLOGY

Green, E.E. 1909. On a new species of Kermes destructive to oak trees in north India. Entomologist's Monthly Magazine 45: 10–12 reported on overlapping generation in Sri Lanka. Takahashi, R. 1939. Some Aleyrodidae, Aphididae, and Coccidae from Micronesia (Homoptera). Tenthredo. (Acta Entomologica. Takeuchi Entomological Laboratory) 2: 234–272 recorded three generations per year in Taiwan. Salama, H.S. & Saleh, M.R. 1970. Distribution of the scale insect Pulvinaria psidii Maskell (Coccoidea) on orchard trees in relation to environmental factors. Zeitschrift für Angewandte Entomologie 66: 380–385 reporetd two generations per year in Egypt. El-Minshawy, A.M. & Moursi, K. 1976. Biological studies on some soft scale-insects (Hom. Coccidae) attacking guava trees in Egypt. Zeitschrift für Angewandte Entomologie 81: 363–371 studied the duration of development and fecundity on guava in Egypt. Sanaa et al. (1997) studied in Egypt the effect of treatment by various levels (0, 20, 40, 80 and 160 mg K/L) of Schinus terebinthifolius seedlings, on their rate of infestation by P. psidii.

STRUCTURE

See colour photograph in Kawai, S. 1980. Scale insects of Japan in colors. Tokyo : National Agricultural Education Association 455 pp. [figs 6.24 a, b) and Hamon, A.B. & Williams, M.L. 1984. The soft scale insects of Florida (Homoptera: Coccoidea: Coccidae). In, Arthropods of Florida and Neighboring Land Areas. Gainesville : Fla. Dept. of Agric. & Consumer Serv. Div. Plant Ind. 194 pp..

ECONOMIC AND CONTROL

A pest of mango in Egypt (see Nada, S., Abd Rabo, S. & Hussein, G.E.D. 1990. Scale insects infesting mango trees in Egypt (Homoptera: Coccoidea). Proceedings of the Sixth International Symposium of Scale Insects Studies, Cracow, Poland, August 1990: 133–134).

 

History of changes

Note that this list may be incomplete for dates prior to September 2013.
Published As part of group Action Date Action Type Compiler(s)
21-Nov-2012 01-May-2014 MODIFIED
29-Jun-2012 29-Jun-2012 MODIFIED
12-Feb-2010 (import)