Taxonomic groups of Bacillus thuringiensis.
| Serotype | Variety | Beta-exotoxin |
|---|---|---|
| 1 | thuringiensis | +,- |
| 2 | finitimus | - |
| 3a | alesti | - |
| 3ab | kurstaki | - |
| 4ab | sotto | - |
| dendrolimus | - | |
| 4ac | kenyae | - |
| 5ab | galleriae | - |
| 5ac | canadensis | + |
| 6 | entomocidus | - |
| subtoxicus | - | |
| 7 | aizawa | + |
| pacificus | - | |
| 8 | anagasiae (morrisoni) | + |
| 9 | tolworth | + |
| 10 | darmstadiensis | + |
| 11 | toumanoffi | + |
| 12 | hompsoni | - |
| 13 | Pakistani | - |
| 14 | israelensis | — |