| argentina | | helicotylenchus dihystera | species | 2 | 0 |
| brazil | parana | helicotylenchus dihystera | species | 1 | 0 |
| china | | helicotylenchus dihystera | species | 72 | 0 |
| china | beijing | helicotylenchus dihystera | species | 1 | 0 |
| china | fujian | helicotylenchus dihystera | species | 3 | 0 |
| china | jiangxi | helicotylenchus dihystera | species | 4 | 0 |
| china | shandong | helicotylenchus dihystera | species | 1 | 0 |
| colombia | | helicotylenchus dihystera | species | 25 | 0 |
| indonesia | | helicotylenchus dihystera | species | 1 | 0 |
| japan | ibaraki prefecture | helicotylenchus dihystera | species | 3 | 0 |
| japan | okinawa prefecture | helicotylenchus dihystera | species | 4 | 0 |
| kenya | | helicotylenchus dihystera | species | 2 | 0 |
| nigeria | | helicotylenchus dihystera | species | 2 | 0 |
| portugal | | helicotylenchus dihystera | species | 3 | 0 |
| south africa | mpumalanga province | helicotylenchus dihystera | species | 2 | 0 |
| south korea | | helicotylenchus dihystera | species | 3 | 0 |
| spain | | helicotylenchus dihystera | species | 1 | 0 |
| thailand | | helicotylenchus dihystera | species | 1 | 0 |
| united kingdom | england | helicotylenchus dihystera | species | 1 | 0 |
| united states | california | helicotylenchus dihystera | species | 2 | 0 |
| united states | florida | helicotylenchus dihystera | species | 13 | 0 |
| united states | georgia | helicotylenchus dihystera | species | 4 | 0 |
| united states | hawaii | helicotylenchus dihystera | species | 9 | 0 |
| united states | north carolina | helicotylenchus dihystera | species | 2 | 0 |
| united states | texas | helicotylenchus dihystera | species | 1 | 0 |