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SPIDERS (ARANEAE) IN CORN FIELDS IN QUEBEC

  • Louis Provencher (a1), Daniel Coderre (a2) and Charles D. Dondale (a3)

Abstract

The purpose of this study was to determine spider species composition and their temporal and vertical distributions in corn in southern Quebec. We sampled 30 corn plants weekly for 12 weeks from 9 July to 23 September in 1985. We found nine families, 14 genera, and 12 identifiable species. Web-building spiders were more abundant than hunting spiders. The dominant species was Tetragnatha laboriosa Hentz (Tetragnathidae). Web-builders were generally found under the ear of the plant, whereas the vertical distribution of hunting spiders was more even.

Le but de cette étude était de déterminer la composition spécifique et les distributions temporelles et verticales des araignées inféodées aux cultures de maïs du sud du Québec. Nous avons échantillonné 30 plants par semaine pendant 12 semaines du 9 juillet au 23 septembre en 1985. Nous avons trouvé neuf familles, 14 genres, et 12 espèces identifiables. Les araignées à toile étaient plus abondantes que les araignées chasseresses. L’espèce dominante était Tetragnatha laboriosa Hentz (Tetragnathidae). Les araignées à toile furent généralement trouvées sous l’épi, alors que la distribution verticale des araignées chasseresses étaient plus uniforme.

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References

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SPIDERS (ARANEAE) IN CORN FIELDS IN QUEBEC

  • Louis Provencher (a1), Daniel Coderre (a2) and Charles D. Dondale (a3)

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