| Island | Common Name | No. of Reports |
| Oahu | Coconut Rhinoceros Beetle | 250 |
| Oahu | Coqui | 67 |
| Oahu | Giant African Snail | 60 |
| Oahu | Stinging Nettle Caterpillar | 25 |
| Oahu | Rose-Ringed Parakeet | 24 |
| Hawaii | Oriental Flower Beetle | 19 |
| Hawaii | Coqui | 17 |
| Hawaii | Giant African Snail | 15 |
| Hawaii | Mongoose | 14 |
| Hawaii | Queensland Longhorn Beetle | 10 |
| Maui | Coqui | 263 |
| Maui | Giant African Snail | 26 |
| Maui | Cane Toad | 24 |
| Maui | Oriental Flower Beetle | 15 |
| Maui | Mongoose | 14 |
| Kauai | Coconut Rhinoceros Beetle | 146 |
| Kauai | Coqui | 45 |
| Kauai | Giant African Snail | 23 |
| Kauai | Mongoose | 9 |
| Kauai | Oriental Flower Beetle | 5 |
| Molokai | Mongoose | 1 |
| Molokai | Cane Toad | 1 |
| Molokai | Oriental Flower Beetle | 1 |
| Molokai | Plumeria Borer | 1 |
| Lanai | Cuban Brown Snail | 1 |
| Lanai | Fountain Grass | 1 |
| Lanai | Ramie Moth | 1 |