| Title | Author | Publication Year | PDF File |
|---|---|---|---|
| Encyrtidae of Costa Rica (Hymenoptera: Chalcidoidea), 1. The subfamily Tetracneminae, parasitoids of mealybugs (Homoptera: Pseudococcidae). | 2000-05-01 | ||
| Copidosoma graminis sp. n. (Hymenoptera: Encyrtidae), a polyembryonic parasitoid of armyworms. | 1989-03-01 |