XANTHOCHLORINAE ALDRICH, 1905: 294 XANTHOCHLORUS Loew, 1857a XANTHOCHLORUS Loew, 1857a: 42 Medeterus ornatus Haliday Coquillett, 1910c: 620 Xanthochlorus X. ornatus X. tenellus helvinus Loew, 1861a: 75 Catalog Of The Dolichopodidae (Diptera) Of America North Of Mexico Pollet, M. A. A. Brooks, S. E. Cumming, J. M. Bulletin of the American Museum of Natural History 2004 2004-04-05 2004 283 1 114 ALDRICH, 1905: 294 ALDRICH 294 1905 Insecta Dolichopodidae Animalia Diptera 78 79 Arthropoda subFamily Xanthochlorinae   Genus XANTHOCHLORUS Loew, 1857a     XANTHOCHLORUS Loew, 1857a: 42. Typespecies:  Medeterus ornatusHaliday[Palearctic], designation by  Coquillett, 1910c: 620.  NOTES:  Xanthochlorusis restricted to the Holarctic region, with most species known from the eastern Palearctic. The single Nearctic species has a wide distribution. In western Europe,  X. ornatusand  X. tenellusare also widely distributed and occur mainly in dry forests.     helvinus Loew, 1861a: 75. HT in MCZ. Typelocality: USA: IL, Chicago. DISTRIBUTION: WI to NS, s. to IA, IL, and GA (MI, TN, ON, QC, NY, VT, VA, NC) [ Robinson (1964); Vockeroth (personal commun.)].