Entomology, Department of

 

Date of this Version

2016

Citation

Shameem KM, Prathapan KD, Nasser M, Chaboo CS (2016) Natural history of Javeta pallida Baly, 1858 on Phoenix palms in India (Chrysomelidae, Cassidinae, Coelaenomenoderini). In: Jolivet P, Santiago-Blay J, Schmitt M (Eds) Research on Chrysomelidae 6. ZooKeys 597: 39–56.

Comments

Copyright Koormath M. Shameem et al. This is an open access article distributed under the terms of the Creative Commons Attribution License

Abstract

Members of the Old World hispine tribe, Coelaenomenoderini, are documented on host plants of Are­caceae, Cyperaceae, and Zingiberales. A few species are renowned pests of oil palm, especially in Africa. The host plants and natural history of Javeta pallida Baly, 1858, the only Indian species of the tribe, is reported for the first time. These beetles can densely infest indigenous wild date palms, Phoenix sylvestris (L.) Roxb. (Arecaceae), and also use the introduced date palm, Phoenix dactylifera L., which is an expand­ing crop in India. Javeta females lay single eggs and cover each with an ootheca. All larval stages mine the leaves and pupation occurs within the larval mine. Adults are exophagous, leaving linear feeding trenches. Natural and induced infestations of J. pallida on these two palms were observed and the potential of J. pallida as a pest of date palm in India is discussed. Javeta pallida completed development on Phoenix palms in 52–88 days (mean 66.38 days) with egg period 11–15 days (mean 12.8 days), larval period 21–54 days (mean 33.02 days) and pupal period 17–23 days (mean 20.52 days). Elasmus longiventris Verma and Hayat and Pediobius imbreus Walker (Hymenoptera: Eulophidae) parasitize the larva and pupa of J. pallida.

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