Life Stage Development of Essigella californica (Aphidoidea: Lachnidae: Cinarinae)

Trudi Wharton; Paul Cooper; Rob Floyd

doi:10.1603/0013-8746(2004)097[0697:LSDOEC]2.0.CO;2

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Trudi Wharton,^1,2,3 Paul Cooperhttps://orcid.org/0000-0002-1433-5309,¹ Rob Floyd^2,3

¹School of Botany and Zoology, Australian National University, Canberra, ACT 0200, Australia
²CSIRO Entomology, GPO Box 1700, Canberra, ACT 2601, Australia
³CRC for Sustainable Production Forestry, GPO Box 252-12, Hobart, Tasmania 7001, Australia

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.

Citation Download Citation

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