Revision and cladistic analysis of the Holarctic genus Atractotomus Fieber (Heteroptera, Miridae, Phylinae). Bulletin of the AMNH ; no. 198
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Date
1990
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[New York] : American Museum of Natural History
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DOI
Abstract
"The Holarctic genus Atractotomus Fieber is revised. Lepidopsallus Knight and Microphylidea Knight are relegated to synonymy with Atractotomus. Thirty-seven species are recognized, including 17 new species from the Nearctic region. Microphylidea prosopidis Knight, Psallus kolenatii (Flor), Rhinacloa nigripennis Schuh and Schwartz, and six species of Lepidopsallus (arizonae Knight, atricolor Knight, miniatus Knight, ovatus Knight rubidus (Uhler), tuthilli Knight) are transferred to Atractotomus. Atractotomus amygdali Wagner, A. mali (Meyer-Dür), A. rhodani Fieber, and A. vireti Wagner are assigned the status of species incertae sedis. Atractotomus femoralis Fieber and A. spissicornis (Schrank) are declared nomina dubia. Atractotomus crataegi and the remaining eight species of Lepidopsallus (australis Blatchley, claricornis Knight, hesperus Knight, longirostris Knight, minusculus Knight, olseni Knight, pini Knight, rostratus Knight) are transferred to Phoenicocoris Reuter. The following species synonymies are proposed (senior synonym first): Atractotomus albidicoxis Reuter = Lepidopsallus monticola Knight; Atractotomus balli Knight = Atractotomus purshiae Froeschner and Lepidopsallus californicus Knight; Atractotomus magnicornis (Fallén) = Atractotomus magnicornis buenoi Knight; Atractotomus miniatus (Knight) = Lepidopsallus nyssae Johnston; Atractotomus ovatus (Knight) = Lepidopsallus nicholi Knight; Atractotomus parvulus Reuter = Atractotomus mirificus Woodroffe; Atractotomus persquamosus Seidenstücker = Atractotomus brunomassai Carapezza. Illustrations and/or photographs are provided for the antennae and male genitalic structures of all species of Atractotomus. Scanning electron micrographs are presented for the scalelike setae, metafemur, and pretarsus of representative species of Atractotomus and related genera. Separate keys are provided for the Nearctic and Palearctic members of the genus. A phylogenetic analysis of species is presented using Psallus ancorifer (Fieber) for outgroup comparison. Three species groups are recognized from the resulting species phylogeny. An analysis of host plant associations suggests that Atractotomus was primitively associated with conifers, but shifted to legume feeding early in the evolution of the genus. In the Nearctic region, this was followed by separate shifts to feeding on Quercus, Salix, and Rhamnaceae + Rosaceae. Species diversity and endemism are greatest in parts of east-central and south-central Mexico. Species with restricted distributions also occur in southeastern Arizona, the Rocky Mountains, and upland regions of the Pacific coast states and Baja California. The phylogenetic analysis of species indicates a strong relationship between taxa occurring in the American Southwest and endemic species in central Mexico"--P. 4.
Description
88 p. : ill. ; 26 cm.
Includes bibliographical references (p. 86-88).
Includes bibliographical references (p. 86-88).
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