Species Composition and Relative Abundance of Insects in
Niger Delta University and Environs of Amassoma 
Community in Bayelsa State, Nigeria

Thomas; C. N.; Gijo; A. H.

Species Composition and Relative Abundance of Insects in Niger Delta University and Environs of Amassoma Community in Bayelsa State, Nigeria

Thomas, C. N. & Gijo, A. H.

Abstract

The composition and relative abundance of insects inhabiting the ecosystems of the Niger Delta University and surroundings of Amassoma community was studied from May 15 – October 15, 2020 to have a baseline data for purposes of research and environmental impact assessment. Five (5) methods used to collect samples from four sites included the sweep nets, aerial nets, pit fall traps, light traps and direct collection by hand. A total of 7,225 individual species of insects were collected and identified into 8 orders, 24 families and 32 species. The most abundant insects were the Anopheles species (Dipteria:culicide) constituted 58.74%; Dorylus species (Diptera:formicidae) constituted 26.12%. There were low numbers of six (6) species of insects which included Libellula pulchella (Odonata: libullidae); Danaus plexippus (Lepidoptera: nymphalidae); Spodoptera exampta (Lepidoptera: noctuidae), and Colgmia sp. (Diptera: psychodoidae) ranged between 1.24%-1.68% in abundance. Among the remaining twenty-six (26) families which had lower number of species, the least were the Hypena cabra (Erebidae), Labidomera clivicollis (Chrysomelidae) and Coccinnella sp. (Cocccinelidae) which had negligible populations that ranged between 0.05-0.043%, because they were very few in numbers. Five insects which had abundance of 0.076% were not identified. This preliminary study confirmed the rich composition of insect species in the environs of Niger Delta University need there are threats factors in the environment that are driving the insects towards extinction were needed to be investigated.

Keywords

CompositionAbundanceInsects and Species

References

Adakole J. A and Annue P. A. (2003). Benthic Macroinvertebrate as indicators of indicators of environmental quality of an urban stream, Zaria, Northern Nigeria. Journal of Aquatic science 18:85-92 Berenbaum M., Bernhanrdt P., Buchmanns, Calderone N. W., Goldstein P., Inouye D. W., Kevan L., B., and Thompson F. C. (2006). Status of pollinators in North America. National Academies press, Washington DC, 307pp Cardos P. Erwin T. L. Borges A. V. and Paulo T. R. (2011). The seven impediments in invertebrate conservation and how to overcome them. Biological conservation 144:2647-2655 Cheng, L. (1976). Marine Insects, North Holland, Amsterdam (Ed.) Dijkstra, K. D. B and Clausnitzer, V. (2014). The dragonflies and damselflies of eastern African: Handbook for all Odonata from sudan to Zimbabwe. Royal Museum for Central African Edward J. B. and Ugwumba A. A. (2011) Micro- invertebrate fauna of a tropical southern reservoir. Continental Journal of Biological Sciences 4:30-40. Emosairne, S. O. (2007). Fundamentals of Agricultural Entomology, for use in Tertiary Schools and Institutions (1st Edition) Ethiope Publishing Corporation, Ring Road, Benin City, Nigeria. Groombridge B. (1992) Global Biodiversity: Status of the earth’s living resources chapman and hall London Ikeh R. R, Ikeh F. K.; Onyido A. E; Nwankwo E. A.; Chikwendu J. I. and Aniefuna, C. O. (2021): Relative Abundance and Species composition of tree hole and plant leaf-axil breeding mosquito species, Nigeria. Book of Abstract (ESN/GE/2021/089) 51st Annual conference of Entomological Society of Nigeria, Uyo, 2021. Kehinde Temitope, Baloatunde A; Abel A. Seyi O and Williams A. (2014). Status of Insect Diversity conservation in Nigeria. A review. Ife Journal of Science Vol. 16 (2): 319- 330 Kemabonta, K. A; Adu, B. W; Akanni N; Olajide, J. P and Uche –Dike J. (2018): Studies on influence of Human activities on the species diversity of Odonta in parts of Lagos metropolis. Nigerian Annals of Pure and Applied Sciences, Maiden Edition, 2018 Medler J. T. (1980). Insects of Nigeria Checklist and Bibliography. Memories of American Entomological Institute pp. 919 Mehmet A. Mehmet O. and Meral O. (2002). The benthic tebratmacroin vertebrate fauna Sarikum Lake Spring Waters (Sinop). Turkish Journal of Marine Sciences 8:103-119 Samways, M. J. (1995). Insect conservations Biology, Chapman and Hall, 358 pp. Thomas C. N, Inyang I. R. and Uwoubengha E. R. (2022). Evaluation of Heavy Metal Pollution in Edible larvae of African Palm Weevil (R. Phoenicis) in Bayelsa State, Nigeria. ISCEST Journal Vol. 3(1):1-5 Triplehorn C. A. and Johnson N. F. (2005). Borror and Delong’s Introduction to the study of insects. 7th ed. Brooks/Cole.864 pp. Umeozor O. C. (1996). Influence of biotype salinity and biochemical oxygen demand on the composition and distribution of aquatic insects in new calabar river, Nigeria. Tropical freshwater biology 5:31-42. Zou Y, Feng J.; Xue D., Sang W. and Axmacher J. (2011). Insect Diversity: Addressing an important but strongly neglected research topic in china. Journal of Resources and Ecology.

Species Composition and Relative Abundance of Insects in Niger Delta University and Environs of Amassoma Community in Bayelsa State, Nigeria

Abstract

Keywords

References

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