Jackson, MS, United States
Jackson, MS, United States

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Macgown J.A.,Mississippi Entomological Museum | Boudinot B.,University of California at Davis | Deyrup M.,Archbold Biological Station | Sorger D.M.,North Carolina State University
Zootaxa | Year: 2014

The ant genus Odontomachus Latreille in the United States is reviewed. Six species are treated: O. brunneus (Patton), O. clarus Roger, O. desertorum Wheeler stat. nov., O. relictus Deyrup and Cover, O. ruginodis M.R. Smith, and O. haema-todus (Linnaeus), a new record for North America. The spread of O. haematodus is documented, and its identity is clari-fied. The genus is diagnosed for species in the Nearctic region for all castes, and worker- and male-based keys are presented. The workers and males of all six species are described and figured, including the first male descriptions for O. haematodus and O. desertorum. This represents the first study of species-level variation in Odontomachus male genitalia, and one of the first of such studies of the Ponerinae for any biogeographic region. A discussion of the utility of the male sex for Odontomachus taxonomy is provided. Copyright © 2014 Magnolia Press.


Schachat S.R.,Mississippi Entomological Museum | Schachat S.R.,Smithsonian Institution | Brown R.L.,Mississippi Entomological Museum
PLoS ONE | Year: 2015

Wing patterns are key taxonomic characters that have long been used in descriptions of Lepidoptera; however, wing pattern homologies are not understood among different moth lineages. Here, we examine the relationship between wing venation and wing pattern in the genus Micropterix, among the most basal extant Lepidoptera, in order to evaluate the two existing predictive models that have the potential to establish wing pattern element homologies for the order. The location of wing pattern elements along the costal margin of the wing in Micropterix is consistent with the predictions of the model proposed for Tortricidae by Brown and Powell in 1991, later modified by Baixeras in 2002. The predictive power of this model for such distantly related taxa suggests that the model may hold across various superfamilies within Lepidoptera, and supports the long-held notion that fasciae, not spots, are the most likely primitive wing pattern elements for the order. In addition, the location of wing pattern elements suggests that the wing vein commonly termed Sc1 may in fact be a different vein, which Comstock identified in Trichoptera and referred to as "a." © 2015 Schachat, Brown.


Schachat S.R.,Mississippi Entomological Museum | Schachat S.R.,Smithsonian Institution | Brown R.L.,Mississippi Entomological Museum
BMC Evolutionary Biology | Year: 2016

Background: Despite the great importance of lepidopteran wing patterns in various biological disciplines, homologies between wing pattern elements in different moth and butterfly lineages are still not understood. Among other reasons, this may be due to an incomplete understanding of the relationship between color pattern and wing venation; many individual wing pattern elements have a known relationship with venation, but a framework to unite all wing pattern elements with venation is lacking. Though plesiomorphic wing veins are known to influence color patterning even when not expressed in the adult wing, most studies of wing pattern evolution have focused on derived taxa with a reduced suite of wing veins. Results: The present study aims to address this gap through an examination of Micropterigidae, a very early-diverged moth family in which all known plesiomorphic lepidopteran veins are expressed in the adult wing. The relationship between wing pattern and venation was examined in 66 species belonging to 9 genera. The relationship between venation and pattern element location, predicted based on moths in the family Tortricidae, holds for Sabatinca just as it does for Micropterix. However, the pattern elements that are lightly colored in Micropterix are dark in Sabatinca, and vice-versa. When plotted onto a hypothetical nymphalid wing in accordance with the relationship between pattern and venation discussed here, the wing pattern of Sabatinca doroxena very closely resembles the nymphalid groundplan. Conclusions: The color difference in pattern elements between Micropterix and Sabatinca indicates that homologies exist among the contrast boundaries that divide wing pattern elements, and that color itself is not a reliable indicator of homology. The similarity between the wing pattern of Sabatinca doroxena and the nymphalid groundplan suggests that the nymphalid groundplan may have originated from a Sabatinca-like wing pattern subjected to changes in wing shape and reduced expression of venation. © 2016 Schachat and Brown.


Forty-five new state records for 41 species of bark and ambrosia beetles (Curculionidae: Scolytinae) are given from the following USA states: Alabama, Arkansas, Colorado, Georgia, Kansas, Mississippi, Missouri, North Carolina, Oklahoma, Tennessee, Texas, and Utah. The identification of Hylastes exilis Chapuis and Hylastes tenuis Eichhoff is discussed, and differences between the species are noted and illustrated.


Lee S.,Mississippi Entomological Museum | Brown R.L.,Mississippi Entomological Museum
Journal of the Lepidopterists' Society | Year: 2010

The three species of Symmoclnae (Autostichidae) known to occur in North America are reviewed, and imagos and male and female genitalia are illustrated. A new genus and new species of Symmoclnae are described and novel morphological characters are illustrated.


Jaeger C.M.,Mississippi Entomological Museum | Brown R.L.,Mississippi Entomological Museum
Transactions of the American Entomological Society | Year: 2016

The descriptions of Rhopobota tungurahuana Razowski & Pelz and Ancylis ecuadorica Razowski & Wojtusiak were based on female specimens collected in Ecuador. Series of both sexes of these species were collected in Venezuela, and these represent new distribution records. Male genitalia are described, and figures of imagos and genitalia of both sexes are provided.


Lee S.,Mississippi Entomological Museum
Journal of Asia-Pacific Entomology | Year: 2011

The eight species of Pseudotelphusa (Gelechiidae: Litini) are known to occur in North America. Three new species of the genus from North America are described and illustrated. © 2011 Korean Society of Applied Entomology, Taiwan Entomological Society and Malaysian Plant Protection Society.


Brown R.L.,Mississippi Entomological Museum | Jaeger C.,Mississippi Entomological Museum
Zootaxa | Year: 2014

Three new species of Olethreutinae (Lepidoptera: Tortricidae) from the United States are described and illustrated. Eucosma paregoria Brown, n. sp., is associated with prairies and glades, primarily in midwestern U.S. Cydia marita Brown, n. sp., is common in southeastern U.S., ranging from Texas to Florida and north along the eastern seaboard to Virginia. Cydia timara Brown, n. sp., occurs in the southwestern U.S. (Arizona and New Mexico). Both species of Cydia are associated with habitats that support Pinus species, the probable larval hosts. Copyright © 2014 Magnolia Press.


Lee S.,Arizona State University | Brown R.L.,Mississippi Entomological Museum
Zootaxa | Year: 2012

Species of the North American genus Sinoe Chambers, 1873, are reviewed. A neotype for Anacampsis robiniella Fitch, 1859, the type species of Sinoe, is designated, and the species is redescribed. A lectotype for S. fuscopalidella Chambers, 1873 and a neotype for Gelechia robiniaefoliella Chambers, 1880, both junior synonyms of S. robiniella, are also designated. Two new species, Sinoe chambersi sp. nov. and S. kwakae sp. nov. are described. Adults and male and female genitalia are illustrated for the three recognized species. Keys to the species are given based on external characters and the genitalia of both sexes. Copyright © 2012 Magnolia Press.


PubMed | Mississippi Entomological Museum
Type: Journal Article | Journal: BMC evolutionary biology | Year: 2016

Despite the great importance of lepidopteran wing patterns in various biological disciplines, homologies between wing pattern elements in different moth and butterfly lineages are still not understood. Among other reasons, this may be due to an incomplete understanding of the relationship between color pattern and wing venation; many individual wing pattern elements have a known relationship with venation, but a framework to unite all wing pattern elements with venation is lacking. Though plesiomorphic wing veins are known to influence color patterning even when not expressed in the adult wing, most studies of wing pattern evolution have focused on derived taxa with a reduced suite of wing veins.The present study aims to address this gap through an examination of Micropterigidae, a very early-diverged moth family in which all known plesiomorphic lepidopteran veins are expressed in the adult wing. The relationship between wing pattern and venation was examined in 66 species belonging to 9 genera. The relationship between venation and pattern element location, predicted based on moths in the family Tortricidae, holds for Sabatinca just as it does for Micropterix. However, the pattern elements that are lightly colored in Micropterix are dark in Sabatinca, and vice-versa. When plotted onto a hypothetical nymphalid wing in accordance with the relationship between pattern and venation discussed here, the wing pattern of Sabatinca doroxena very closely resembles the nymphalid groundplan.The color difference in pattern elements between Micropterix and Sabatinca indicates that homologies exist among the contrast boundaries that divide wing pattern elements, and that color itself is not a reliable indicator of homology. The similarity between the wing pattern of Sabatinca doroxena and the nymphalid groundplan suggests that the nymphalid groundplan may have originated from a Sabatinca-like wing pattern subjected to changes in wing shape and reduced expression of venation.

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