@article {1514,
	title = {Biological notes on Sinoxylon sudanicum Lesne, and its parasites in S. India.},
	journal = {Journal of the Bombay Natural History Society},
	volume = {44},
	year = {1942},
	pages = {460-465},
	author = {P.N. Krishna Ayyar and Margabandhu, V.}
}
@article {1515,
	title = {On the biology of Spathius vulnificus Wilk., a possible effective parasite of Pempherulus affinis (Faust) in South India.},
	journal = {Indian Journal of Entomology},
	volume = {2(1)},
	year = {1940},
	pages = {79-86},
	author = {P.N. Krishna Ayyar and Narayanaswami, S.P.}
}
@article {1516,
	title = {A remarkable wild host plant of the cotton stem weevil, Pempheres affinis Fst., from S. India, and its parasitic associates.},
	journal = {Indian Journal of Agricultural Sciences},
	volume = {10},
	year = {1940},
	pages = {640-652},
	author = {P.N. Krishna Ayyar}
}
@article {1517,
	title = {Investigations on Spathius critolous Nixon, an important parasite of the cotton stem weevil, Pempherulus affinis Fst., of South India.},
	journal = {Indian Journal of Agricultural Sciences},
	volume = {9(6)},
	year = {1940},
	pages = {879-900},
	author = {P.N. Krishna Ayyar}
}
@article {1518,
	title = {The alternate host plants and associated parasites of Pempheres affinis Faust in South India.},
	journal = {Indian Journal of Entomology},
	volume = {2},
	year = {1940},
	pages = {213-227},
	author = {P.N. Krishna Ayyar}
}
@article {1519,
	title = {Host selection by Spathius critolous Nixon, an important parasite of Pempherulus affinis (Faust) in South India.},
	journal = {Indian Journal of Entomology},
	volume = {3},
	year = {1941},
	pages = {197-213},
	author = {P.N. Krishna Ayyar}
}
@article {1520,
	title = {The biology and distribution of the parasites of the cotton stem weevil, Pempheres affinis Fst. in South India.},
	journal = {Proceedings of the Indian Academy of Sciences},
	volume = {14},
	year = {1941},
	pages = {437-453},
	author = {P.N. Krishna Ayyar}
}
@article {1521,
	title = {Biological control of the cotton stem weevil, Pempherutus affinis Fst., in South India.},
	journal = {Indian Journal of Agricultural Sciences},
	volume = {12},
	year = {1942},
	pages = {58-85},
	author = {P.N. Krishna Ayyar}
}
@article {1522,
	title = {Further studies in the distribution and seasonal history of cotton stem weevil - Pempherulus affinis (Fst.) in South India.},
	journal = {Indian Journal of Agricultural Sciences},
	volume = {13},
	year = {1943},
	pages = {255-263},
	author = {P.N. Krishna Ayyar}
}
