Haematotrephus limnodromi, Dronen, Gardner & Jimenez, 2006

Dronen, Norman O. & Blend, Charles K., 2015, Updated keys to the genera in the subfamilies of Cyclocoelidae Stossich, 1902, including a reconsideration of species assignments, species keys and the proposal of a new genus in Szidatitreminae Dronen, 2007, Zootaxa 4053 (1), pp. 1-100 : 55

publication ID

https://doi.org/ 10.11646/zootaxa.4053.1.1

publication LSID

lsid:zoobank.org:pub:5D898449-E50A-4F70-B82B-BF2281A95F12

DOI

https://doi.org/10.5281/zenodo.6109074

persistent identifier

https://treatment.plazi.org/id/317187CD-FFDA-7724-BEB0-A6EE9A698DFD

treatment provided by

Plazi

scientific name

Haematotrephus limnodromi
status

 

H. limnodromi Dronen, Gardner & Jiménez, 2006 View in CoL

Syn. H. selfi Dronen, Gardner & Jiménez, 2008

Type host. Long-billed dowitcher, Limnodromus scolopaceus (Say) ( Charadriiformes , Scolopacidae ).

Type locality. Cheyenne Bottoms, Roger Mills County, Oklahoma, USA.

Additional host. Lesser yellowlegs, Tringa flavipes (Gmelin) ( Charadriiformes : Scolopacidae ).

Remarks. Haematotrephus selfi was described from the same locality as H. limnodromi from a similar scolopacid bird. It is somewhat smaller (6,400–11,900 long) than H. limnodromi (12,000–16,000) and although it has a somewhat smaller cirrus sac (360–530, 4–6 % of body length compared to 620–750, 4–6%) and a smaller pharynx (130–175 wide, 1–2% of body length compared to 190–240, 1.5%), these differences appear likely to be a product of the size of the specimens examined because the percentages of the measurements relative to body size basically are the same. It should be noted that the larger specimens used in the original description of H. selfi ( Fig. 1 View FIGURES 1 – 4 ) represent more developed (older) specimens in which the entire length of the uterus is like that shown for H. limnodromi in Fig. 1 View FIGURES 1 – 4 of the original description wherein the uterine loops overreach the ceca laterally. However, Fig. 2 View FIGURES 1 – 4 in the original description of H. selfi represents less developed (younger) specimens where the uterus is like that originally described for H. nebularium ( Khan, 1935) n. comb. ( Fig. 1 View FIGURES 1 – 4 ) where only the posterior aspect of the uterus (about half to one third) has the uterine loops overlapping the ceca laterally. This observation suggests that the size of specimens may need to be considered when using the posterior extent of the uterine loops and the degree to which they overreach the ceca laterally as a characteristic for distinguishing species in this family. Otherwise these two species are indistinguishable and neither has an oral sucker and they are therefore synonymized. No oral or ventral sucker present—Dronen et al. (2006b, 2008).

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