The Peak in North American Ichneumonid Species Richness Lies Between 38 Degrees and 42 Degrees N

Publisher: John Wiley & Sons Inc

E-ISSN: 1939-9170|62|3|532-537

ISSN: 0012-9658

Source: Ecology, Vol.62, Iss.3, 1981-06, pp. : 532-537

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Abstract