Universal Chalcidoidea Database

Distribution references

Records of Sympiesis gordius Walker, 1848 in United States of America-Missouri:

Records 1 - 2 of 2
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Barrett, B.A. 1994, Within-tree distribution of Phyllonorycter blancardella (F.) and P. crataegella (Clemens) (Lepidoptera: Gracillariidae) and associated levels of parasitism in commercial apple orchards. Biological Control 4(1):74-79    
Gagné, R.S.; Barrett, B.A. 1994, Seasonal occurrence and density of Phyllonorycter spp. (Lepidoptera: Gracillariidae) and major parasitoids in Missouri apple orchards. Environmental Entomology 23(1):198-207