Universal Chalcidoidea Database

Distribution references

Records of Closterocerus utahensis Crawford, 1912 in Nearctic:

Records 1 - 2 of 2
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Peck, O. 1963, A catalogue of the Nearctic Chalcidoidea (Insecta; Hymenoptera). Canadian Entomologist (Supplement) 30:196    
Thompson, W.R. 1955, A catalogue of the parasites and predators of insect pests. Section 2. Host parasite catalogue, Part 3. Hosts of the Hymenoptera (Calliceratid to Evaniid). pp.278 Commonwealth Agricultural Bureaux, The Commonwealth Institute of Biological Control, Ottawa, Ontario, Canada