| morphobiological aspects of rhodnius brethesi matta, 1919 (hemiptera:reduviidae) from the upper and middle negro river, amazon region of brazil: i - scanning electron microscopy. | the occurrence of autochthonous cases of chagas disease in the amazon region of brazil over recent decades has motivated an intensification of studies in this area. different species of triatomines have been identified, and ten of these have be proven to be carriers of the parasite trypanosoma cruzi or " cruzi-like " parasites. studies conducted in the municipalities of santa isabel do rio negro and barcelos, located on the upper and middle of the negro river, microregion of negro river, state o ... | 2006 | 16444425 |