Figure 1From: Acaricidal activity of ethanolic extract from aerial parts of Tagetes patula L. (Asteraceae) against larvae and engorged adult females of Rhipicephalus sanguineus (Latreille, 1806)Experimental procedure for the Larval Immersion Test. (A-B) Approximately 1.0 g of eggs were collected and transferred individually to bags of TNT fabric; (C) these bags were immersed for 5 minutes in dilutions of 70% ethanolic extract of T. patula; (D-E) the bags were dried at room temperature and taken to BOD (27–28°C, 70-80% RH, photoperiod 12/12 h), (F) After 3 weeks, living and dead larvae were counted.Back to article page