The leaves of your Mexican Petunia (Ruellia simplex) could be infested with mites. See if you can spot them using a hand lens, as they are very small. You can use summer oil or abamectin, which are ...
Potential route of avermectin exposure in stingless bee colonies located in livestock dominated landscapes. When ivermectin is applied to cattle to treat endo and ectoparasites, residues end up in the ...