Nannaria ohionis Loomis & Hoffman, 1948
Means, Jackson C., Hennen, Derek A. & Marek, Paul E., 2021, A revision of the minor species group in the millipede genus Nannaria Chamberlin, 1918 (Diplopoda, Polydesmida, Xystodesmidae), ZooKeys 1030, pp. 1-180 : 1
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|Nannaria ohionis Loomis & Hoffman, 1948|
Fontaria castanea : Williams & Hefner, 1928: 106, fig. 9b
Nannaria ohionis Loomis & Hoffman, 1948: 53. Hoffman 1999: 367. Marek et al. 2014: 37. Means et al. 2021: S71-S72.
Mimuloria ohionis : Causey 1952: 8. Chamberlin and Hoffman 1958: 38.
Neotype (here designated): United States - Ohio • ♂; Athens County, Coolville, Hennen Ln.; 39.2107°N, - 81.8421°W; elev. 242 m; 25 Nov. 2015; hand collected; D. Hennen leg.; VTEC MPE00906 View Materials . GoogleMaps
United States - Ohio • 1 ♂ ; Hocking County, Hocking Hills State Park, Cantwell Cliffs ; 39.5420°N, - 82.5755°W; elev. 270 m; 22 Oct. 2016; hand collected; D. Hennen leg.; VTEC MPE02270 View Materials • 2 ♂♂ GoogleMaps ; same collection data as preceding; 29 Sep. 1963; FAC leg.; VMNH NAN0026 • 2 ♂♂ GoogleMaps ; same collection data as preceding; 15 May 1961; J. Crites leg.; VMNH NAN0326, 327 • 5 ♀ GoogleMaps ; Hocking County, Crane Hollow Nature Preserve, in hollow behind Ellis House ; 39.4913°N, - 82.5797°W; elev. 290 m; 15 June 2016; hand collected; J. Means, D. Hennen leg.; VTEC MPE01707 View Materials -11 • 1 ♂ GoogleMaps ; Lawrence County, Pedro, Lake Vesuvius Rec Area , hillside across street from Roadside Group Picnic Shelter ; 38.6064°N, - 82.6289°W; elev. 195 m; 6 July 2017; hand collected; D. Hennen leg.; VTEC MPE03678 View Materials • 1 ♂ GoogleMaps ; Meigs County, Morgan's Cave , under rocks; 39.0874°N, - 81.9971°W; 5 Mar. 1964; L. Carr leg.; VMNH NAN0169 • 1 ♂ GoogleMaps ; Monroe County, Sardis, Narrows Run Rd. ; 39.6150°N, - 80.9369°W; elev. 219 m; 7 Oct. 2018; L. Hughes leg.; VTEC MPE04611 View Materials • 2 ♂♂ GoogleMaps ; Washington County, Little Hocking Nature Trail, next to Little Hocking Elementary School , off Newbury Road ; 39.2583°N, - 81.7044°W; elev. 195 m; 27 Dec. 2016; hand collected; D. Hennen leg.; VTEC MPE02271 View Materials , 2273 • 1 ♂ GoogleMaps ; Washington County, Hune Bridge , hillside above parking lot; 39.5092°N, - 81.2508°W; elev. 210 m; 19 Aug. 2017; hand collected; D. Hennen, K. Lustofin, M. Spring leg.; VTEC MPE03003 View Materials • 1 ♀ GoogleMaps ; same collection data as preceding; VTEC MPE03004 View Materials • 2 ♂♂ GoogleMaps ; Washington County , Marietta , Washington County Career Center ; 39.4307°N, - 81.5003°W; elev. 263 m; 28 Nov. 2015; hand collected; D. Hennen leg.; VTEC MPE00907 View Materials ; SCAU GoogleMaps - West Virginia • 1 ♂ ; Wood County, Waverly, Mountwood Park , 1100 Volcano Rd. , north-facing hillside near parking lot; 39.2420°N, - 81.2991°W; elev. 292 m; 25 Nov. 2017; hand collected; D. Hennen leg.; VTEC MPE03643 View Materials . For detailed collection data see Suppl. material 7 GoogleMaps .
Adult males of Nannaria ohionis are distinct from other Nannaria , the sympatric N. terricola , and the nearby N. shenandoa , based on the following combination of characters: Gonopods. Gonopodal acropodite gently curving medially before apex (Fig. 65 View Figure 65 ), not straight or slightly curved as in N. terricola , or strongly curved as in N. shenandoa . Distal zone and tip short, simple, bending medially, not bending dorsally as in N. terricola or large with flanges, curving posterolaterally as in N. shenandoa . Telopodite basal zone height ca. 1/3 length of acropodite, not ca. 1/2 as in N. terricola , or ca. 1/4 as in N. shenandoa . Prefemur with straight, acicular prefemoral process, not curving laterally as in N. shenandoa . Prefemoral process arising from top of prefemoral spine, not from the prefemur as in N. terricola and N. shenandoa (Fig. 65A View Figure 65 , red arrow). Prefemoral spine large and projecting, acicular, -not reduced, shelf-like, fused with prefemoral process as in N. terricola . Color. Tergites with orange paranotal spots (Fig. 66 View Figure 66 ). Background variable between individuals, varying from dark brown to black. Dorsum of collum smooth with orange margin.
♂ neotype (VTEC, MPE00906): BL = 32.0, CW = 4.0, IW = 2.0, ISW = 0.9, B11W = 4.7, B11H = 3.4; ♀ (VTEC, MPE03004): BL = 32.6, CW = 4.1, IW = 2.4, ISW = 1.0, B11W = 5.2, B11H = 3.9.
No known variation.
Known from southeastern Ohio and northwestern West Virginia (Ohio: Athens, Hocking, Lawrence, Meigs, and Washington counties; West Virginia: Wood County, Suppl. material 7, Fig. 127 View Figure 127 ). Distribution area: 5,823 km2; status: SRE.
Individuals of N. ohionis have been collected from mesic broadleaved forests composed of red maple, birch, tuliptree, oak, hickory, pawpaw, American beech, sycamore, buckeye, spicebush, sourwood, and hemlock, often from hillsides and beside walking trails, under leaf litter and logs.
Loomis and Hoffman (1948) give no justification for their naming, however it is reasonable to assume this species is named after its type locality, Ohio.
United States, Ohio, Athens County, Coolville, Hennen Ln., 39.2107°N, - 81.8421°W.
We designate a neotype for N. ohionis because a holotype was never designated by either Williams and Hefner (1928) or by Loomis and Hoffman (1948). Williams and Hefner (1928) illustrated a millipede found in Ohio and identified it as Fontaria castanea (McNeill, 1887). Loomis and Hoffman (1948) recognized that this illustration was not of F. castanea , but rather a yet-undescribed species of Nannaria , which they named Nannaria ohionis . Chamberlin and Hoffman (1958, p. 38) stated that the “type” was at Miami University; however, searches of the collection by the current curator at our behest revealed no millipede specimens. Causey (1952: 8) mentions and illustrates a “paratype” of N. ohionis loaned to her by Hefner, but does not mention where the “paratype” was held. Because no type material was ever designated for N. ohionis , and due to the lack of any known location of material collected by Williams or Hefner, we felt a neotype designation was warranted.
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