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1 July 2004 Life Stage Development of Essigella californica (Aphidoidea: Lachnidae: Cinarinae)
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Abstract

The Monterey pine aphid, Essigella californica Essig, is a recent incursion into Australia. Its sudden and rapid spread into commercial Pinus radiata D. Don plantations has caused concern to the forestry industry. Laboratory-based development studies showed that the apterous morph has three instars rather than the four typical of aphids. This difference was validated by an analysis of field-collected samples. The adaptive significance of this finding is discussed in relation to other aspects of this species’ life history.

Trudi Wharton, Paul Cooper, and Rob Floyd "Life Stage Development of Essigella californica (Aphidoidea: Lachnidae: Cinarinae)," Annals of the Entomological Society of America 97(4), 697-700, (1 July 2004). https://doi.org/10.1603/0013-8746(2004)097[0697:LSDOEC]2.0.CO;2
Received: 21 May 2003; Accepted: 1 February 2004; Published: 1 July 2004
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