Universal Chalcidoidea Database

Distribution references

Tetrastichus ingratus Howard, has been recorded in the following countries:

Records 1 - 2 of 2
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United States of America:
Riley, C.V. 1889, Report of the entomologist. Annual Report of the U.S. Department of Agriculture 1:351    
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.307 Commonwealth Agricultural Bureaux, The Commonwealth Institute of Biological Control, Ottawa, Ontario, Canada