Ichneumon acerbus
| Type Number: | 919 |
| Genus: | Ichneumon |
| Species: | acerbus |
| Subspecies: | |
| Author: | Cresson, 1867 |
| Sex: | male |
| Country: | United States |
| State / Province: | Illinois |
| County: | |
| Collector: | |
| Date Collected: | |
| Family: | Ichneumonidae |
| Order: | Hymenoptera |
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| Type Number: | 919 |
| Genus: | Ichneumon |
| Species: | acerbus |
| Subspecies: | |
| Author: | Cresson, 1867 |
| Sex: | male |
| Country: | United States |
| State / Province: | Illinois |
| County: | |
| Collector: | |
| Date Collected: | |
| Family: | Ichneumonidae |
| Order: | Hymenoptera |
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