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We provide new state and county records of biting midges in the genus Culicoides Latreille (Diptera: Ceratopogonidae) from the southeastern United States collected with CDC miniature light traps during 2007–2012 in Florida, Georgia, Alabama, Mississippi, Louisiana, Arkansas, and Texas. The primary goals of the surveys were to identify the presence of exotic Culicoides, and determine the ranges of known and possible vectors of bluetongue virus (BTV) and epizootic hemorrhagic disease virus (EHDV). Included are the fi rst records of: Culicoides (Amossovia) beckae Wirth and Blanton from Louisiana and Mississippi, C. (A.) oklahomensis Khalaf from Alabama and Arkansas, C. (Avaritia) alachua Jamnback and Wirth from Alabama, C. (Culicoides) neopulicaris Wirth from Alabama, C. (Drymodesmyia) butleri Wirth and Hubert from Texas, C. (Hoffmania) insignis Lutz from Mississippi, C. (Oecacta) barbosai Wirth and Blanton from Georgia, C. (Silvaticulicoides) loisae Jamnback from Alabama, and C. kirbyi Glick and Mullen from Mississippi. We also provide new Florida county records for C. alachua, C. barbosai, C. (Beltranmyia) hollensis (Melander and Brues), C. insignis, and C. (Monoculicoides) sonorensis Wirth and Jones; a new Georgia county record for C. alachua; and new Alabama county records for C. insignis, and C. sonorensis.
Leptoconops Skuse and Culicoides Latreille (Diptera: Ceratopogonidae) biting midges are serious pests of mammals, birds, and reptiles and important vectors of viruses, protozoans, and filarial nematodes. Their collection became an important adjunct to mosquito surveillance using light-baited and CO2-baited suction traps in Grand County, Utah, United States, during 1999–2016. During 2017–2020, collecting was expanded to California, Nevada, Idaho, Wyoming, Colorado, Arizona, New Mexico, and other parts of Utah using an ultraviolet light suction trap. As a result, five species of Leptoconops and 59 species of Culicoides, representing Leptoconops subgenera Holoconops Kieffer and Leptoconops Skuse, Culicoides subgenera Amossovia Glukhova, Beltranmyia Vargas, Diphaomyia Vargas, Drymodesmyia Vargas, Haematomyidium Goeldi, Monoculicoides Khalaf, Selfia Khalaf, Sensiculicoides Shevchenko, Silvaticulicoides Glukhova, Silvicola Mirzaeva and Isaev, and Wirthomyia Vargas, and the Culicoides Leoni, Limai, Palmerae, Piliferus, Saundersi, and Stonei species groups, were collected. Keys to adult males and females and tables of diagnostic characters are provided for identification of 15 species of Leptoconops and 86 species of Culicoides collected, reported by others, or likely to occur in the Southwestern United states west of the Continental Divide. Description references, synonymies, diagnoses, geographic and seasonal distributions, and biological summaries from the available literature are provided. Data on relative abundance in light-baited or CO2-baited traps are provided for the species collected. Intersex specimens and specimens parasitized by mites or mermithid nematodes are tabulated. Culicoides (Drymodesmyia) bakeri Vargas is reported from California (new United States record). New state records of other species for Idaho, Nevada, Utah, Colorado, Arizona, and New Mexico of the United States and for the Mexico states of Puebla, San Luis Potosi, and Oaxaca are reported. Culicoides salihi Khalaf is assigned to the subgenus Diphaomyia of Culicoides (new status). Culicoides stellifer (Coquillett) is reassigned to the subgenus Haematomyidium of Culicoides (new status). Culicoides travisi Vargas is assigned to the subgenus Sensiculicoides of Culicoides (new status). Culicoides luglani Jones and Wirth is reassigned to the Culicoides Limai group (new status). Confusion over species limits was evident between Culicoides cacticola Wirth and Hubert and Culicoides torridus Wirth and Hubert, between C. travisi and Culicoides kibunensis Tokunaga, between Culicoides doeringae Atchley and Culicoides lophortygis Atchley and Wirth, between Culicoides owyheensis Jones and Wirth and Culicoides mortivallis Wirth and Blanton, and between Culicoides cockerellii (Coquillett), Culicoides neomontanus Wirth, and Culicoides sierrensis Wirth and Blanton. Several new species, hybrids, or variants of Culicoides are diagnosed but not formally described: two of subgenus Silvicola, one of the Palmerae group, two of the Piliferus group, and one unplaced to subgenus or species group.
ZooBank registration. urn:lsid:zoobank.org:pub:CBD29188-143B-44DF-BE21-1654D50D8621
This revision of the Nearctic biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex recognizes four species: C. grandensis Grogan and Phillips, C. riethi Kieffer, C. stigma (Meigen) and C. shemanchuki, new species, from Alberta, Canada and North Dakota, USA. Culicoides stigma is recorded for the fi rst time in the Nearctic region from Alberta, Canada. Culicoides gigas Root and Hoffman is a junior synonym of Culicoides riethi Kieffer (new synonym). A key is provided for the recognition of both sexes of the four North
American species in the Culicoides (Monoculicoides) nubeculosus-stigma complex.
Monogedania, a new fossil monotypic genus of predatory midge (Diptera: Ceratopogonidae) is described from Eocene Baltic amber and its position within the Monohelea complex is discussed. We discovered that the membranous portion of the aedeagus is extended in Monogedania clunipes (Loew), new combination, which suggests that the aedeagus of some extinct predatory midges can be penis-like. The Eocene Monohelea baltica Szadziewski, is transferred to the genus Schizohelea Kieffer, new combination, and, the previously unknown female is described, and key characters are included in color photographs of its entire habitus, head, distal hind tarsomeres and claws.