Abstract
The inventory of pests occurring on Dacryodes edulis (Burseraceae) was carried out in rural areas in Gabon during 2009 and 2010. Yellow traps and visual observations were used to record weekly pests during the tree flowering stage, in five villages. Catches from yellow traps rose to 7,296 and 1,722 insect pests in 2009 and 2010, respectively, whereas records from visual observations corresponded to 1,812 and 171 insect pests in 2009 and 2010, respectively. During both years, abundance from traps and visual monitoring was significantly different between sampling sites (p < 0.05). The difference in pests’ diversity between sampling sites was not significant (p > 0.05) according to traps, but significant (p ≤ 0.04) according to visual observations in 2010. Mecocorynus loripes Chevrolat (Coleoptera: Cucurlionidae) attacked the stem of D. edulis, while Oligotrophus sp. (Diptera: Cecidomyiidae), Pseudophacopteron serrifer Malenovsky and Burckhardt (Hemiptera: Phacopteronidae), and Selenothrips rubrocinctus Giard (Thysanopera: Thripidae) attacked leaves. Pseudonoorda edulis Maes and Poligui (Lepidoptera: Crambidae) and Lobesia aeolopa Meyrick (Lepidoptera: Tortricidae) infested fruits and inflorescences, respectively. These insects are specifically linked to plant patterns, and their identification provided the first basic information for developing suitable strategies to control pests of D. edulis in Gabon, as well as in neighboring central African countries.
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The authors of this paper thank RMCA (Royal Museum from Central Africa, Brussels) for help and complementary materials used for the confirmation of some insect species identification during this study. They thank also PAI-DRH (Programme d’Appui Institutionnel et Développement des Ressources Humaines, Gabon) for founding this work.
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Edited by Kleber del Claro – UFU
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Poligui, R.N., Mouaragadja, I., Vandereycken, A. et al. Insect Pests Occurring on Dacryodes edulis (Burseraceae) in Rural Areas in Gabon. Neotrop Entomol 43, 322–334 (2014). https://doi.org/10.1007/s13744-014-0222-0
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DOI: https://doi.org/10.1007/s13744-014-0222-0