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New Host Records from Latin America and New Synonymy for Stator limbatus (Horn) and S. cearanus (Pic) (Coleoptera: Bruchidae)
Clarence Dan Johnson
The Coleopterists Bulletin
Vol. 49, No. 4 (Dec., 1995), pp. 319-326
Published by: The Coleopterists Society
Stable URL: http://www.jstor.org/stable/4009179
Page Count: 8
You can always find the topics here!Topics: Coleoptera, Stators, Beetles, Species, New host records, Insect ecology, Host plants, Legumes, Genera, Ecology
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Two very similar forms of Stator Bridwell, one from South America and the other from Central and North America, have been considered the species Stator limbatus (Horn) and S. cearanus (Pic) respectively, based on external color and the shape of the spiculum gastrale of the male genitalia. Closer examination of these forms reared from seeds from the USA to Brazil has revealed that they are referable to one species because there are no consistent differences between the named forms in external color or shape of the spiculum gastrale. The names are placed in new synonymy under S. limbatus. New host records are reported from Ecuador, Colombia, Venezuela and Mexico. Of the approximately 74 known hosts for S. limbatus, 30 are in the genus Acacia Miller, but it also feeds in seeds of the legume genera Pithecellobium Martius, Albizia Durazzo, Cercidium Tulasne, Lysiloma Bentham, Calliandra Bentham, Piptadenia Bentham, Leucaena Bentham, Parkinsonia Linnaeus and Chloroleucon Britton & Rose. Throughout its range, S. limbatus oviposits only on exposed seeds in pods on the plant.
The Coleopterists Bulletin © 1995 The Coleopterists Society