Nowierski, R.M. 1980, The field ecology of the walnut aphid, Chromaphis jugalndicola (Homoptera: Aphididae) and its introduced parasite, Trioxys pallidus (Hymenoptera: Aphididae): a qualitative and quantitative assessment of population regulation. Dissertation Abstracts International (B)
41(4):1234
| |
| |
|
|
Oatman, E.R.; Platner, G.R. 1972, An ecological study of aphids on strawberry in southern California. Environmental Entomology
1(3):339-343
| |
| |
|
|
Olkowski, W.; Olkowski, H.; Bosch, R. van den 1982, Linden aphid parasite establishment. Environmental Entomology
11(5):1023-1025
| |
| |
|
|
Peck, O. 1963, A catalogue of the Nearctic Chalcidoidea (Insecta; Hymenoptera). Canadian Entomologist (Supplement)
30:603-604
(Parasitoid identification needs confirmation)
| |
| |
|
|