Résumé:
Our work is based on the use of three biopesticides belonging to three different categories, a fungus Metarhizium
anisopliae var acridum a IGRs Triflumuron (TFM) and an excerpt from the henna plant Lawsonia inermis, on L5 larvae of
Locusta migratoria applied with the two modes of penetration, contact and ingestion. For this, we tested their effect on the
morphology and mortality. The results show us that the three biopesticides involved morphological deformations and a
total mortality of 100% in the L5 larvae.