“…R. prolixus is cited from French Guiana by Floch and Abonnenc (1941) based on a single female collected on the Comté River. In order to identify the specimen, Floch used the works of Larrousse (1927) and Neiva and Lent (1941), which did not allow for a rigorous distinction between R. prolixus and R. robustus. Later, Chippaux et al (1985) again listed R. prolixus in French Guiana, despite Miles' opinion (Miles et al 1983); Miles had doubts as to the presence of the species in French Guiana and he assigned the specimens identified by Chippaux to R. robustus [Miles in litt.…”