Abstract: This paper dealt with five larvae and their pupae that include three species of pinus wcevils and two species of mango wcevils, described their major morphology with their life habits, and illustrated the epipharynges, mandible, marila, spiracle, the 4th abdoaminal segment and cremaster.A checklist of the five larvae was given. Among the five weevils, three species that attack on the phloem and cambium of Pinus yunnanensis Franehet or Pinus armandii Franchet are Pissodes yunnanensis Langor, Situ et Zhang, Niphades verrucosus Voss and Pissodes punctatus Langor, Situ et Zhang, but another two species that feeds on the mango seed or mango fruit flesh are Sternochetus olivieri Faust and Sternochetus frigidus Faust.