Erpobdella punctata (Leidy 1870)
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https://doi.org/ 10.5281/zenodo.179881 |
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https://doi.org/10.5281/zenodo.5631633 |
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https://treatment.plazi.org/id/03C78785-FF97-CA4F-3598-FF53FD79828F |
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Plazi |
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Erpobdella punctata (Leidy 1870) |
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Erpobdella punctata (Leidy 1870)
Common name: Tiger leech
General distribution: Nearctic ( Figures 2 View FIGURE 2 G, 4C, 5, Tables 1, 2 View TABLE 2 ).
Newfoundland: Survey: Site 1 (CMNA 2006–0025), Site 2 (CMNA 2006–0026), Site 7 (CMNA 2006– 0027), Site 10 (CMNA 2006–0028), Site 12 (CMNA 2006–0029), Site 13 (CMNA 2006–0030), Site 14 (CMNA 2006–0031), and Site 15 (CMNA 2006–0032); Museum specimen: CMNA 1978–0344; Literature: Pawlowski (1948) at Corner Brook, Deer Lake, and Terra Nova; Gates and Moore (1970) at Lily Pond; Pickavance (1971) as Erpobdella sp. in Rennies River, St. John’s; Davies (1973) at Rocky Harbour.
Labrador: Survey: Site 24 (CMNA 2006–0033);
St. Pierre and Miquelon: Literature: Pawlowski (1948) at two stations.
Notes on the species. Figure 5 View FIGURE 5 shows the pigmentation patterns of E. punctata in Newfoundland. Specimens of E. punctata from Sites 14 (Avalon Peninsula) and 15 (Burin Peninsula) had a distinct pigmentation pattern not previously noted in the Great Basin ( Hovingh 2004) or illustrated by Klemm (1985: Fig.7.97). Some specimens ( Figure 5 View FIGURE 5 C) possessed an inner para-medial row which combine across the median and provide an appearance of a single broad dorsal-median strip (the “mid-dorsal form”). The variations at Sites 1 and 2 ( Figure 5 View FIGURE 5 F) were less developed across the medium. Klemm (1985: Figure 7.97) shows another variation having inner and outer para-medial rows united with a lighter mid-dorsal region. Sometimes the entire annulus is pigmented across the medium showing a dorsum that is very dark and with no mid-dorsal region. At site 7 ( Figure 5 View FIGURE 5 B), specimens most closely resembled the ‘normal’ variety. Specimens at other sites were intermediary between the two forms ( Figure 5 View FIGURE 5 A, D, E).
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