Rearing Method and Life History of Laboratory Bred African Coffee White Stem Borer, Monochamus Leuconotus (Pascoe) (Coleoptera: Cerambycidae)

Abstract:

African coffee white stem borer, Monochamus leuconotus (Pascoe), Cerambycidae, is a major insect pest of coffee that causes yield losses as high as 25%. However, studying biology of Cerambycids is difficult due to the nature of their life cycle, which is mostly spent in the wood. This study aimed at developing and describing a rearing method of M. leuconotus using original artificial diet and its life history in the laboratory. The bioecology information generated will be useful in formulating effective management strategies. To conduct a life table analysis of M. leuconotus, the development and survival of 36 larvae reared on the artificial diet at 25±1°C, 85±5% RH, L:D 12: 12 and the fecundity of 25 adult females kept in pairs in cages with coffee sticks at 27°C and 42% RH were monitored daily. Using this rearing method, the duration of life cycle was reduced to 11 months from 18-24 months reported under field conditions. On average, eggs were 4.28 mm± 0.17 long with a diameter of 1.59± 0.07 mm and took 26±0.87 days to hatch. Seventh instar larvae measured 37.64 ± 1.40 mm long and weighed 0.77 ± 0.06g. Larval stage persisted for 209±12.42 days (7 months). Pupae had a mean length of 23.0 ± 0.43 mm, weighed 0.50 ± 0.02 g and took 23±0.27 days to emerge as adults. The adults on average measured 22.27± 0.27 mm long, weighed 0.49 ± 0.01g and survived for 82± 5.05 days. Survival rate was high at 78, 100 and 92% for larval, pupal and adult stages, respectively. The pre-oviposition period was 35 ±1.69 days on average and the female mean fecundity was 51.84 ± 5.92 eggs. Life table analysis indicated the net reproductive rate (Ro) of 2.60, the intrinsic rate of increase (r) of 0.00315 with population doubling time (Td) of 220.05 day
Subscribe to access this work and thousands more
Overall Rating

0

5 Star
(0)
4 Star
(0)
3 Star
(0)
2 Star
(0)
1 Star
(0)
APA

M, G (2024). Rearing Method and Life History of Laboratory Bred African Coffee White Stem Borer, Monochamus Leuconotus (Pascoe) (Coleoptera: Cerambycidae). Afribary. Retrieved from https://afribary.com/works/rearing-method-and-life-history-of-laboratory-bred-african-coffee-white-stem-borer-monochamus-leuconotus-pascoe-coleoptera-cerambycidae

MLA 8th

M, Gichuhi "Rearing Method and Life History of Laboratory Bred African Coffee White Stem Borer, Monochamus Leuconotus (Pascoe) (Coleoptera: Cerambycidae)" Afribary. Afribary, 27 Feb. 2024, https://afribary.com/works/rearing-method-and-life-history-of-laboratory-bred-african-coffee-white-stem-borer-monochamus-leuconotus-pascoe-coleoptera-cerambycidae. Accessed 17 Jun. 2024.

MLA7

M, Gichuhi . "Rearing Method and Life History of Laboratory Bred African Coffee White Stem Borer, Monochamus Leuconotus (Pascoe) (Coleoptera: Cerambycidae)". Afribary, Afribary, 27 Feb. 2024. Web. 17 Jun. 2024. < https://afribary.com/works/rearing-method-and-life-history-of-laboratory-bred-african-coffee-white-stem-borer-monochamus-leuconotus-pascoe-coleoptera-cerambycidae >.

Chicago

M, Gichuhi . "Rearing Method and Life History of Laboratory Bred African Coffee White Stem Borer, Monochamus Leuconotus (Pascoe) (Coleoptera: Cerambycidae)" Afribary (2024). Accessed June 17, 2024. https://afribary.com/works/rearing-method-and-life-history-of-laboratory-bred-african-coffee-white-stem-borer-monochamus-leuconotus-pascoe-coleoptera-cerambycidae