Morphological Studies of the Life Stages of Oryctesowariensis Beauvois (Coleoptera: Dynastinae:Scarabaeidae)

International Journal of Agriculture & Environmental Science
© 2019 by SSRG - IJAES Journal
Volume 6 Issue 4
Year of Publication : 2019
Authors : R.B. Ukoroije, D.D.S Bawo
pdf
How to Cite?

R.B. Ukoroije, D.D.S Bawo, "Morphological Studies of the Life Stages of Oryctesowariensis Beauvois (Coleoptera: Dynastinae:Scarabaeidae)," SSRG International Journal of Agriculture & Environmental Science, vol. 6,  no. 4, pp. 24-27, 2019. Crossref, https://doi.org/10.14445/23942568/IJAES-V6I4P105

Abstract:

All developmental stages of oryctesowariensisbeauvois egg; 1st to 3rd larval instar stages; pupa and adult were illustrated and described. Eggs were white in colour, oval, small and laid singly. The larva of o. Owariensis is whitish in colour, robust with brownish bristles or hairs uniformly scattered over its body.  It has cylindrical c-shaped characteristic of dynastid larvae. The black colouration of the caudal region indicated the presence of accumulated faecal material. The pre-pupa stage is mostly inactive, doesnot feed and white in colour. The pupa is orange-brown in colour, exarate with highly sclerotized head capsule. The adult is dark brown in colour with males showing protruding tubercles (horns) that are slightly longer than that of the females

Keywords:

Oryctesowariensis, Eggs, Larvae, Pupae, Adults

References:

[1] Bedford, G. O. (1980a). Biology, Ecology and Control of palm Rhinoceros beetle. Annual Review Entomology, 1(26): 213.
[2] Bedford, G. O. (1980b). Biology, Ecology and control of
palm Rhinoceros Beetle.Annual Review Entomology, 2(25): 309-339.
[3] Fasoranti, J. O. and Ajiboye, D. D. (1993). Some edible
insects of Kwara state. Nigeria. America Entomologist, 39(2): 113-116.
[4] Ramachandran, C. P., Kurien, C. and Matthew, J. (1963). Assessment of damage to Coconut by Oryctes rhinoceros Linnaeus. Nature and damage caused by the Beetle and factorsin the estimation of loss. Indian Coconut Journal,17: 3-12.
[5] Ukeh, D. A; Usua, E. J., Umoetok, S. B. A. (2008).
Biology of Oryctesmonoceros. Global Journal of Agricultural Science
[6] Young, E. C. (1974). The epizootiology of two pathogens of the coconut palmRhinoceros beetle. Pathology, 24: 82-92