References
- Boorman , J. 1960 . The hawkmoths of Nigeria. Part 1 . Niger. Fld. , 25 : 148 – 172 .
- Boorman , J. 1961 . The hawkmoths of Nigeria. Part 2 . Niger. Fld. , 26 : 17 – 42 .
- Carcasson , R.H. 1964 . A preliminary survey of the zoogeography of African butterflies . E. Afr. Wildl. J. , 2 : 122 – 157 .
- Carcasson , R.H. 1967 . Revised catalogue of the African Sphingidae (Lepidoptera) with descriptions of the East African Species . Jl. E. Africa nat. Hist. Soc. , 26 : 1 – 148 .
- Delf , B.H. and Harris , K.M. 1964 . Notes on Nigerian hawkmoths . Niger. Fld , 29 : 150 – 160 .
- Fisher , R.A. , Corbet , A.C. and Williams , C.B. 1943 . The relation between the number of species and number of individuals in a random sample of an animal population . J. Anim. Ecol. , 12 : 42 – 58 .
- Giles , P.H. 1968 . The relative abundance and seasonal distribution of hawkmoths (Lepidoptera: Sphingidae) attracted to mercury vapour lights in Samaru, Northern Nigeria . Nig. J. Sci. , 2 : 45 – 54 .
- Moreau , R.E. 1966 . The Bird Faunas of Africa and its Islands , London & New York : Academic Press .
- Owen , D.F. 1969 . Species diversity and seasonal abundance of tropical Sphingidae. (Lepidoptera) . Proc. R. ent. Soc. Lond. (A) , 44 : 162 – 168 .
- Rothschild , W. and Jordan , K. 1903 . A revision of the lepidopterous family Sphingidae . Novit. zool. , 9 suppl.
- Williams , C.B. 1954 . Notes on a small collection of Sphingidae from Nigeria . Niger. Fld. , 19 : 176 – 179 .
- Williams , C.B. 1964 . Patterns in the balance of Nature and Related Problems in Quantitative Ecology , London & New York : Academic Press .