Fig. 1

Total number of parasites in the rectal ampulla of fifth-instar nymphs of Triatoma. pallidipennis infected with the Morelos (upper) and Chilpancingo (lower) strains of Trypanosoma cruzi. The numbers indicate mean ± standard error
Total number of parasites in the rectal ampulla of fifth-instar nymphs of Triatoma. pallidipennis infected with the Morelos (upper) and Chilpancingo (lower) strains of Trypanosoma cruzi. The numbers indicate mean ± standard error