摘要:

In this study of species of the genusMetabronemaparasitic in trout and char the author is of the opinion that, on the basis of the characters of the postcloacal papillae and the spicules, the following species should be regarded as synonymous:Metabronema(=Spiroptera)salveliniFujita, 1920,Metabronema harwoodiChandler, 1931,Metabronema canadenseSkinker, 1931, andMetabronema truttaeBaylis, 1935. By virtue of the law of priority,Metabronema salveliniFujita, 1920, must stand as the valid name of the species.

ISSN:1923-4287    

DOI:10.1139/cjr48d-024

出版商:NRC Research Press    

年代:1948

数据来源: NRC

摘要:

The occurrence is recorded at Churchill, Manitoba, of 5 genera and 11 species of Cuhcidae, 2 genera and 12 species of Simuliidae (3 and possibly 4 of which may be new to science), and 2 genera and 10 species of Tabanidae. Data are presented on their habitats, life histories, habits, species association and succession, and relative abundance and distribution. Observations on the relationships of these insects to other organisms are recorded, including notes on their status as pests and their influence on human activities in the locality. Evidence is presented that female mosquitoes feed on the nectar of flowers and are efficient pollinators of northern orchids. A brief general picture of the ecology of the locality is given; also details of weather conditions during the period of the survey, and some microclimate data. Illustrations from photographs showing typical habitats of many of the species dealt with are included.

ISSN:1923-4287    

DOI:10.1139/cjr48d-025

出版商:NRC Research Press    

年代:1948

数据来源: NRC