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earthworm fauna of Saskatchewan, Canada. Megadrilogica 7(12): 81-82.

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Article  in  Megadrilogica · December 1999

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MEGADRILOGICAVolume 7, Number 12, December, 1999

A CONTRIBUTION TO OUR KNOWLEDGE OF THE EARTHWORM FAUNA OFSASKATCHEW AN, CANADA.

John Warren ReynoldsOligochaetology Laboratory, 18 Broadview Court,Kitchener, Ontario, Canada N2A 2X8.

(e-mail: [email protected])

and

Masood Nabi KhanHead of Mechanical Department, Dhaka Polytechnic Institute, Dhaka, Bangladesb.

ABSTRACT

This small sampling of earthworms from the Province of Saskatchewan increases the reported number ofspecies from one to six: Aporrectodea rosea, Ap. trapezoides, Ap. tuberculata (original report), Dendrodrilus rubidus,Eisenia foetida and Lumbricus terrestris. All species in the province are exotic European Lumbricidae.

RESUMEN

Esta pequefia muetra de lombrices de tierra de la provincia de Saskatchewan incrementa el mimero de especiesregistradas de una (1) a seis (6). Ellas son: Aporrectodea rosea, Ap. trapezoides, Ap. tuberculata (especie reportada),Dendrodrilus rubidus, Eisenia foetida y Lumbricus terrestris. Todas son Lumbricidae europeas especies ex6ticas paraesta provincia.

INTRODUCTION

Until now there has been only one speciesdocumented in the literature from Saskatchewan(Gates, 1972). In that paper, Gates reportedAporrectodea tuberculata (as Allolobophora tuber-culata) from two locations on the Indian HeadExperimental Farm (18-6-14-1 and 0-1-4) and onecollection site in Saskatoon (2-0-5). That report byGates also included details of other closely relatedspecies, viz. Aporrectodea trapezoides, turgida andlonga: yet no specimens of these species were reportedfrom Saskatchewan.

During late September 1994, we bad theopportunity to visit central Saskatchewan to attend aGreen Colleges Conference. While there we undertooksome collecting and examined the holdings of theProvincial Museum in Regina. There were only threespecimens in the museum collections at that time, andthey were in poor condition.

During my early travels with SchneiderNational Carriers Inc., I was again able to visit

Saskatchewan and make additional observations on theearthworms present.

Most collection records include countyreferences, but Saskatchewan is one of the few politicalareas in North America which does not have counties.The location of the province and collection sites in theprovince of Saskatchewan are illustrated in Figures 1and 2.

Fig. 1. Geographical location of the province ofSaskatchewan, Canada.

82 Contribution to our Knowledge of the Earthworms of Saskatchewan

1

Uoyd",ia*r

• SUUtOOD

':am LakeFo::Qu'APIM I<

Reti-.· •ladila find

I

Fig. 2. Collection locations in the province ofSaskatchewan .

RESULTS

During September 1994, the authors obtainedthe following specimens:

Fort QU' Appelle, 172 Company Street. digging inthe garden. 25 Sep 94. J.W. Reynolds, M.N. Khan and JerryWhiting. collectors.

Aporrectodea rosea (Savigny, 1826) 6-1-4.Aporrectoidea trapezoides (Duges, 1828) 0-0-3.Aporrectodea tuberculata (Eisen, 1874) 3-0-10.

Fort Qu' Appelle, 172 Company Street. under barkin a wood pile. 25 Sep 94, J.W. Reynolds, M.N. Khan andJerry Whiting. collectors.

Dendrodrilus rubidus (Savigny. 1826).

Fort Qu' Appelle, Conference Centre. compost pile,27 Sep 94. J.W. Reynolds and M.N. Khan. collectors.

Eiseniafoetida (Savigny. 1826) 2-4-11.

Fort Qu' Appelle, Conference Centre. lawn atnight. 27 Sep94. J.W. Reynolds and M.N. Khan, collectors.

Lumbricus terrestris L.. 1758 0-0-2.

Subsequent collecting by the senior authorproduced the following additional records:

Lloydminster, Hwy 16. truck stop, under logs, 2Apr 98. J.W. Reynolds, collector.

Aporrectodea tuberculata (Eisen, 1874) 0-0-2.

Foam Lake. Hwy 16. wet ditch. under log. 2 Apr98. J.W. Reynolds, collector.

Aporrectodea iuberculata (Eisen, 1874) 0-0-3.

DISCUSSION

AB of the earthworm species reported fromSaskatchewan are exotic European members of thefamily Lumbricidae which have been introduced inrecent centuries by settlers (see Reynolds, 1994 and1995). These species are also among the dozen or socosmopolitan members of the family which arecurrently to be found on all continents of the globe.

Reports of earthworms from the neighbouringprovinces of Alberta (Scbeu and McLean. 1993;Reynolds & Clapperton, 1996). and Manitoba werelimited as well until recently. The paucity ofearthworm records in Saskatchewan is primarily dueto the lack of collecting and recording specimens.New initiatives through the Worm Watch Program®and others will enable us to get a more completepicture of the earthworm distribution across Canada,particularly in western Canada. Reports ofearthworms from the neighbouring provinces ofAlberta ( Reynolds & Clapperton, 1996; Scbeu andMcLean, 1993). and Manitoba were limited as welluntil recently.

LITERATURE CITED

Gates. G.E. 1972. Toward a revision of the earth-worm family Lumbricidae. N. The trapezoidesspecies group. Bull. Tall Timbers Res. Stn .• no.12.146 pp.

Reynolds, J.W. 1994. The distribution of earthworms(Annelida, Oligochaeta) in North America. pp.133-153. In: Mishra, P.C. et al. (eds.). Advancesin ecology and environmental sciences. NewDelhi: Ashish Publ. 651 pp.

Reynolds, J.W. 1995. Status of exotic earthwormsystematics and biogeography in North America.pp. 1-27. In: P.F. Hendrix (ed.) Earthwormecology and biogeography in North America. BocaRaton, FL: Lewis Publ., 244 pp.

Reynolds, J.W. and M.J. Clapperton. 1996 .. Newearthworm records for Alberta (Oligochaeta:Lumbricidae) including the description of a newCanadian species. Megadrilogica 5(8): 73-82.

Scheu, S. and M.A. McLean. 1993. The earthworm(Lumbricidae) distribution in Alberta (Canada).Megadrilogica 4(11): 175-180.

MEGADRn...oGICA 83

INDEX VOLUME 7 (1997-1999).

John Warren Reynolds, Editor

Oligochaetology Laboratory,18 Broadview Court,

Kitchener, Ontario, Canada N2A 2X8.(e-mail: [email protected])

Volume 7

(1) Randdrilus gen. novo (Oligochaeta: Glossoscolecidae), un neuve genero de lombrfzde tierre para Panama. (pp. 1-8) Moreno, AG. and C. Perez-Santos, 1997 (April)[Spanish with abstracts in English, French and Spanish]

(2) On some earthworms from central and southeastern Mexican mountains, includingtwo new species of the genus Dichogaster (Dichogastrini). (pp. 9-19) Fragoso, C.and J.W. Reynolds, 1997 (September) [ abstracts in English, French and Spanish]

(3) Bacteriology of laying hens' manure, composting and Eisenia foetida (Oligochaeta:Lumbricidae). (pp. 21-27) Rodriguez, c.. M. Finola, V. Beoletto and C. Basualdo,1997 (December) [abstracts in English and Spanish]

(4) Redescription and new record of Andioscolex tinga (Oligochaeta: Glossoscolecidae)for Tucuman, Argentina. (pp. 29-31) Teisaire, E.S. and LA Roldan, 1998 (April)[abstracts in English and Spanish]

(5) The role of Eisenia foetida (Oligochaeta: Lumbricidae) in recycling of micro-organisms. Cycles C and N. (pp. 33-36) Rodnguez, C; C. Olmedo and S. Kraft,1998 (November) [abstracts in English and Spanish]

(6) Biological cycle of Eisenia foetida (Oligochaeta: Lumbricidae) in farm organicwastes. (pp. 37-39) Rodriguez, C. and E. Natale, 1998 (December) [abstracts inEnglish and Spanish]

Ecology of the lirnicolous megadrile Lutodrilus multivesiculatus (Annelida:Oligochaeta). (pp. 40-44) McMahan, M.L., 1998 (December) [ abstract in English]

(7) The earthworms (Annelida, Oligochaeta) of American Samoa. (pp. 45-48) Vargo,D.L., 1999 (March) [abstracts in English and Samoan]

84 Index Volume 7

(8) Effect of Eisenia foetida (Oligochaeta, Lumbricidae) humus on the biologicalproperties of a typical Hapludoll soil. (pp. 49-54) Sanchez, S. and C. Rodriguez,1999 (June) [abstracts in English and Spanish]

New earthworm records for the state of California, USA. (p. 54) Reynolds, J.W.,1999 (June) [ no abstract]

Prof. Dr. Gilberto Righi (1937-1999): In Memoriarn. (pp. 55-60) Mischis, c.c. deand l.W. Reynolds, 1999 (June) [no abstract]

(9) First record of oligochaete fauna (Annelida, Oligochaeta) from the Province of LaRioja, Argentina. (pp. 61-64) Mischis, C.C. de and R.M. Gleiser, 1999 (July)[abstracts in English and Spanish]

(10) New cave earthworm records in the southeastern United States with notes on theirecology. (pp. 65-71) Reeves, W.K. and l.W. Reynolds, 1999 (September) [abstractsin English and Spanish]

A contribution to our knowledge of the earthworm fauna of Colorado, USA. (pp.71-72) Reynolds, J.W., 1999 (September) [no abstract]

(11) Lectinhistochemical study of glycoconjugates of the digestive tract of Eisenia foetida(Oligochaeta, Lumbricidae). (pp. 73-79) Rolando, A., M.T. Mugnaini, M.C.Romanini and c.A. Sofiez, 1999 (December) [abstracts in English and Spanish]

A contribution to our knowledge of the earthworm fauna of Hawaii, USA. (pp. 79-80) Reynolds, J.W., 1999 (December) [no abstract]

(12) A contribution to our knowledge of the earthworm fauna of Saskatchewan, Canada.(pp. 81-82) Reynolds, J.W. and M.N. Khan, 1999 (December) [abstracts in Englishand Spanish]

Index Volume 7 (1997-1999). (pp. 83-84) Reynolds, lW., 1999 (December) [ noabstract]

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