Scientific name
Encarsia dispersa Polaszek
Taxonomic position
Insecta: Hymenoptera: Chalcidoidea: Aphelinidae
Diagnosis
Body orange yellow except scuto-scutellar transverse suture distinctly pigmented dark brown-black; antennal scape testaceous, pedicel yellow, flagellum pale yellowish brown, F6 usually darker than rest of flagellar segments. Wings hyaline. Legs, including coxae, yellowish except tarsal apices pale brown. Antennal formula 1133, F1 shorter than pedicel and F2, F2 subequal to F3.
Images
Adult, lateral view
Adult, dorsal view
Distribution
India (Karnataka)
Biology
Encarsia guadeloupae and E. dispersa were recorded as potential parasitoids of many whiteflies including RSW and spiraling whitefly (Ramani et al., 2002; Evans, 2008: Taravati et al., 2013; Francis et al., 2016; Selvaraj et al., 2017).
Reference
- Aravati S, Mannion C, Glenn H, Osborne L. 2013. Natural enemies of rugose spiraling whitefly, Aleurodicus rugioperculatus Martin (Insecta: Hemiptera: Aleyrodidae) in the south Florida landscape. ENY-870. University of Florida, IFAS Extension, http://edis.ifas.ufl.edu/pdffiles/IN/IN100400.pdf. (Accessed 4 March, 2017).
- Evans GA. 2008. The whiteflies (Hemiptera: Aleyrodidae) of the world and their host plants and natural enemies, Available from: http://keys.lucidcentral.org/keys/v3/ whitefly/ PDF_PwP% 20ETC/ world-whitefly- catalog- Evans. pdf (Accessed 6 March, 2017).
- Francis AW, Stocks IC, Smith TR, Boughton AJ, Mannion CM, Osborne LS. 2016. Host plants and natural enemies of rugose spiraling whitefly (Hemiptera: Aleyrodidae) in Florida. Florida Entomol. 99(1):150-153. https://doi.org/10.1653/024.099.0134
- Ramani S, Poorani J, Bhumannavar BS. 2002. Spiraling whitefly, Aleurodicus dispersus Russell (Homoptera: Aleurodidae) in India. Biocontrol News and Information 23(2): 55-62.
- Selvaraj, K., A. Gupta, T. Venkatesan, S. K. Jalali, R. Sundararaj, C. R. Ballal. 2017. First record of invasive rugose spiraling whitefly Aleurodicus rugioperculatus Martin (Hemiptera: Aleyrodidae) along with parasitoids in Karnataka. Journal of Biological Control, 31(2): 74-78, 2017, DOI: 10.18311/jbc/2017/16015
Credits
Images and factsheet prepared by Dr. Ankita Gupta, Scientist, NBAIR. Web content added by Lavanya, 26-02-2018.
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