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Map of northeast region of Brazil indicating the localities of the Triatoma brasiliensis populations studied. Paraíba State: Monteiro (30), Mãe d'água (35), Santa Cruz (54), and São José (53), São Francisco (55). Pernambuco State: Lagoa Grande (41), Salgueiro (15), and Serra Talhada (43). Rio Grande do Norte State: Caicó (42).
