Prostephanus truncatus
From Wikipedia, the free encyclopedia
| Prostephanus truncatus | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Bostrichidae |
| Subfamily: | Dinoderinae |
| Genus: | Prostephanus |
| Species: | P. truncatus |
| Binomial name | |
| Prostephanus truncatus (Horn, 1878) | |
Prostephanus truncatus is commonly referred to as "larger grain borer" with reference to its close cousin Rhyzopertha dominica which is relatively smaller in length hence referred to as "lesser grain borer". Prostephanus truncatus is approximately 35 millimetres (1.4 in) long as compared to 26 mm (1.0 in) long in Rhyzopertha dominica. At optimum conditions of 80% relative humidity and 32 °C (90 °F), and available food, Prostephanus truncatus completes its life cycle within 27 days. It is a serious pest of dried grains especially maize and dried cassava in West Africa. It is believed that this beetle was introduced into West Africa through food aids from America. It reached Africa through Tanzania in the early 1970s.
References
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