Ethnobotanical survey and testing of plants traditionally used against hematophagous insects in Eritrea

Journal of Ethnopharmacology
M WakaChris Curtis

Abstract

An ethnobotanical study was conducted to find plants traditionally used against nuisance insects in three regions of Eritrea: highland, eastern escarpment and wet lowland. Six plants were collected, two of them were reported to be used against mosquitoes (Ocimum forskolei, Lamiaceae and Nicotiana glauca, Solanaceae), two others against fleas (Salvia shimperi, Lamiaceae and Otostegia integrifolia, Lamiaceae) and Neorautanenia mitis (Fabaceae) and Calpurnea aurea (Fabaceae) against animal lice. The effect of fresh leaves and shoots of O. forskolei hanging on walls at the head and foot of beds was tested in Eritrea against Anopheles arabiensis and 53% reduction in mean number of mosquitoes per house was achieved. Blood meals of mosquitoes collected from houses and pit shelters were analysed to determine whether biting diversion occurred due to the use of plants in the houses. No diversion of biting was observed to goats, which are abundant in the test area. Hot water distillates of N. glauca, S. schimperi and O. integrifolia were tested against An. gambiae s.s. in the laboratory using a Hemotek membrane blood feeder with pig skin replacing the parafilm membrane. The approximate doses in microl/cm(2) for 50% repellency with the ext...Continue Reading

Citations

Sep 23, 2011·Parasites & Vectors·Teun DekkerRichard Hopkins
Feb 14, 2014·Journal of Ethnobiology and Ethnomedicine·Kaliyaperumal Karunamoorthi, Teklu Hailu
Oct 13, 2006·Journal of Ethnopharmacology·Abdolali MohagheghzadehYounes Ghasemi
Mar 18, 2011·Malaria Journal·Marta Ferreira Maia, Sarah J Moore
Jun 10, 2017·Journal of Ethnobiology and Ethnomedicine·Roger Ducos Fokouo YoumsiFabrice Fekam Boyom

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