Waterfowl mortality caused by Cyathocotyle bushiensis Khan, 1962 (Trematoda: Cyathocotylidae), St. Lawrence River, Quebec

1972 ◽  
Vol 50 (11) ◽  
pp. 1351-1356 ◽  
Author(s):  
G. G. Gibson ◽  
E. Broughton ◽  
L. P. E. Choquette

In St. Lawrence River marshes, fatal sporadic and epizootic typhlitis in breeding populations of black ducks, Anas rubripes; blue-winged teal, A. discors; and migrant green-winged teal, A. carolinensis, is attributed to Cyathocotyle bushiensis Khan, 1962. This is the first report of C. bushiensis in natural definitive hosts, and the first record of the genus Cyathocotyle in North America. Pathogenicity of C. bushiensis was confirmed experimentally by using metacercariae from the most abundant local gastropod, Bythinia tentaculata, to produce cyathocotyliasis in Pekin ducklings.

Check List ◽  
2018 ◽  
Vol 14 (2) ◽  
pp. 319-322
Author(s):  
Blanca León ◽  
Hamilton Beltrán ◽  
Carlos Carrasco-Badajoz ◽  
Edwin Portal-Quicaña ◽  
Mariela Huaycha-Allcca

The aquatic fern Pilularia americana A. Braun is known from several countries in South and North America. Here we provide a first report of this species for Peru, from 2 localities in the Ancash and Ayacucho regions (central Peru), which confirm its presence in the national flora.


1967 ◽  
Vol 99 (11) ◽  
pp. 1229-1229 ◽  
Author(s):  
P. G. Pilley ◽  
R. A. Trieselmann

The first record of the occurrence in North America of the white-tipped clover case-moth, Coleophora frischella L., was made in June 1966 when a single adult was taken by Heinemann on Picton Island, N.Y., in the St. Lawrence River (Freeman, personal communication). Independently, Trieselmann collected the larvae from white sweet-clover, Melilotus alba Desr., on 28 July through to 8 August 1966 at many points around Pembroke, Ont. Detailed examinations made at two of the collection points indicated that between 15 and 20% of sweetclover seeds were damaged. Because of its potential economic significance, the authors wish to make the presence of this species known to agricultural entomologists in Canada and the United States.


Zootaxa ◽  
2020 ◽  
Vol 4816 (3) ◽  
pp. 392-396
Author(s):  
DAIZY BHARTI ◽  
FRANCISCO BRUSA ◽  
SANTOSH KUMAR ◽  
KAILASH CHANDRA

Catenulida are mostly inhabitants of freshwater ecosystems, like ponds, streams, though the marine species are few (Larsson and Willems, 2010). About 110 species of catenulids are known worldwide, with most of the studies conducted in South America (Marcus, 1945a, 1945b; Noreña et al., 2005), North America (Kepner and Carter 1931; Nuttycombe and Waters, 1938) and Scandinavian Peninsula (Luther, 1960, Larsson and Willems, 2010; Larsson et al., 2008). The diversity of catenulids from India has not been studied intensively; however some reports on other turbellaria exists for the country (Annandale, 1912; Whitehouse, 1913; Kapadia, 1947; Basil and Fernando, 1975; Apte and Pitale, 2011; Kalita and Goswami, 2012; Venkataraman et al., 2015). The genus Stenostomum, however, has been studied extensively around the world with identification of over 60 species (Tyler et al., 2006-2016). This is first report of the genus from India. The present study was part of the project to catalogue the diversity of free living protozoan ciliates from the Hooghly stretch of the Ganga River during which the flatworms were found. The worms were studied based on the live observations, with recognition of characters which led to its identification. This study serves to fill knowledge gap in the freshwater flatworms from India. 


2007 ◽  
Vol 52 (2) ◽  
Author(s):  
John Kinsella

AbstractA total of 19 helminth species (1 trematode, 11 cestodes, 7 nematodes) were collected from 45 vagrant shrews, Sorex vagrans (Mammalia, Soricidae), in western Montana, USA. One trematode (Brachylaima sp.), 2 cestodes (Paruterina candelabraria, Staphylocystoides longi), and 6 nematodes (Baruscapillaria rauschi, Eucoleus oesophagicola, Longistriata meylani, Paracrenosoma sp., Parastrongyloides winchesi, Pseudophysaloptera formosana) are reported for the first time from this host. Baruscapillaria rauschi n. comb. is proposed for Capillaria rauschi Read, 1949. This is the first record of merocercoids of P. candelabraria from a shrew, and the first report of the genus Paracrenosoma in North America.


Parasitology ◽  
1936 ◽  
Vol 28 (1) ◽  
pp. 72-78 ◽  
Author(s):  
Violet Woolcock

Within recent years a considerable amount of work has been done on the Myxosporidia, especially, as pointed out by Kudo (1919), in North America, Asia, and to a lesser degree in Japan (Fugita, 1912, 1913, 1925). Few investigations, however, have been carried out in Australia, and consequently very little is known concerning the distribution of the group in this country. There appear to be as yet only two contributions to the subject, papers by T. Harvey Johnston and M. J. Bancroft (1918, 1919). As far as can be ascertained, my paper is the first report concerning Myxosporidia from fishes of Southern Australian waters, and contains the first record of a species of Chloromyxum from Australia.


Check List ◽  
2018 ◽  
Vol 14 (2) ◽  
pp. 319-322
Author(s):  
Blanca León ◽  
Hamilton Beltrán ◽  
Carlos Carrasco-Badajoz ◽  
Edwin Portal-Quicaña ◽  
Mariela Huaycha-Allcca

The aquatic fern Pilularia americana A. Braun is known from several countries in South and North America. Here we provide a first report of this species for Peru, from 2 localities in the Ancash and Ayacucho regions (central Peru), which confirm its presence in the national flora.


2004 ◽  
Vol 136 (5) ◽  
pp. 661-662 ◽  
Author(s):  
W.K. Reeves ◽  
J.E. O'Hara

Strongygaster (= Hyalomyodes) triangulifera (Loew) (Diptera: Tachinidae) is a small parasitic fly that is widely distributed in North America. It is most frequently reported as a parasitoid of adult Coleoptera, but there are scattered reports of parasitism within the Dermaptera, Hemiptera, Orthoptera, and Lepidoptera (Arnaud 1978; Purrington et al. 1990). Within the Coleoptera, species in the families Alleculidae, Bruchidae, Chrysomelidae, Cleridae, Coccinellidae, Curculionidae, Lampyridae, Meloidae, Nitidulidae, and Scarabaeidae have been reported as hosts (Gerding and Figueroa 1989; Purrington et al. 1990; Nalepa et al. 1996). This is the first record of S. triangulifera, and the first record of a tachinid, parasitizing a species of Cantharidae.


1993 ◽  
Vol 50 (10) ◽  
pp. 2182-2184 ◽  
Author(s):  
Lena N. Measures ◽  
Luci Bossé

Echinorhynchus salmonis (Acanthocephala) were found in the stomach of a rainbow smelt, Osmerus mordax (Salmoniformes), collected at the confluence of the Aux-Outardes River and St. Lawrence River in Quebec. One acanthocephalan occupied the haemocoel of a recently ingested amphipod (Gammarus lawrencianus), while two other specimens were free in the stomach. This is the first report of G. lawrencianus, an estuarine amphipod, as intermediate host of E. salmonis. This is also the first report of transmission of E. salmonis in an estuarine environment in North America.


2021 ◽  
Vol 86 (2) ◽  
pp. 425-427
Author(s):  
John P. Hart ◽  
William A. Lovis ◽  
M. Anne Katzenberg

Emerson and colleagues (2020) provide new isotopic evidence on directly dated human bone from the Greater Cahokia region. They conclude that maize was not adopted in the region prior to AD 900. Placing this result within the larger context of maize histories in northeastern North America, they suggest that evidence from the lower Great Lakes and St. Lawrence River valley for earlier maize is “enigmatic” and “perplexing.” Here, we review that evidence, accumulated over the course of several decades, and question why Emerson and colleagues felt the need to offer opinions on that evidence without providing any new contradictory empirical evidence for the region.


Sign in / Sign up

Export Citation Format

Share Document