| canada | alberta | idiocerus delongi | species | 6 | 0 |
| canada | alberta | idiocerus formosus | species | 12 | 0 |
| canada | alberta | idiocerus lachrymalis | species | 55 | 0 |
| canada | alberta | idiocerus musteus | species | 1 | 0 |
| canada | alberta | idiocerus setaceus | species | 2 | 0 |
| canada | alberta | idiocerus sp. bold:aag2890 | species | 18 | 0 |
| canada | alberta | idiocerus sp. bold:aaz3301 | species | 1 | 0 |
| canada | alberta | idiocerus sp. bold-2016 | species | 42 | 0 |
| canada | alberta | idiocerus suturalis | species | 159 | 0 |
| canada | alberta | idiocerus xanthiops | species | 8 | 0 |
| canada | british columbia | idiocerus amoemus | species | 1 | 0 |
| canada | british columbia | idiocerus brunneus | species | 1 | 0 |
| canada | british columbia | idiocerus cinctus | species | 3 | 0 |
| canada | british columbia | idiocerus lachrymalis | species | 1 | 0 |
| canada | british columbia | idiocerus lunaris | species | 1 | 0 |
| canada | british columbia | idiocerus midas | species | 1 | 0 |
| canada | british columbia | idiocerus musteus | species | 6 | 0 |
| canada | british columbia | idiocerus obispanus | species | 54 | 0 |
| canada | british columbia | idiocerus pericallis | species | 1 | 0 |
| canada | british columbia | idiocerus sp. bold-2016 | species | 3 | 0 |
| canada | british columbia | idiocerus suturalis | species | 3 | 0 |
| canada | british columbia | idiocerus vanduzeei | species | 2 | 0 |
| canada | manitoba | idiocerus albolinea | species | 1 | 0 |
| canada | manitoba | idiocerus formosus | species | 22 | 0 |
| canada | manitoba | idiocerus lachrymalis | species | 48 | 0 |
| canada | manitoba | idiocerus levis | species | 1 | 0 |
| canada | manitoba | idiocerus ramentosus | species | 2 | 0 |
| canada | manitoba | idiocerus snowi | species | 1 | 0 |
| canada | manitoba | idiocerus sp. bold:aag2890 | species | 8 | 0 |
| canada | manitoba | idiocerus sp. bold-2016 | species | 3 | 0 |
| canada | manitoba | idiocerus suturalis | species | 140 | 0 |
| canada | manitoba | idiocerus unicolor | species | 1 | 0 |
| canada | manitoba | idiocerus venosus | species | 12 | 0 |
| canada | new brunswick | idiocerus sp. bold:aag2890 | species | 2 | 0 |
| canada | newfoundland and labrador | idiocerus subnitens | species | 1 | 0 |
| canada | northwest territories | idiocerus sp. bold-2016 | species | 1 | 0 |
| canada | nova scotia | idiocerus formosus | species | 1 | 0 |
| canada | nova scotia | idiocerus sp. bold:aag2890 | species | 3 | 0 |
| canada | nova scotia | idiocerus sp. bold:abz6671 | species | 2 | 0 |
| canada | nova scotia | idiocerus sp. bold-2016 | species | 6 | 0 |
| canada | nova scotia | idiocerus suturalis | species | 32 | 0 |
| canada | ontario | idiocerus albolinea | species | 1 | 0 |
| canada | ontario | idiocerus alternatus | species | 16 | 0 |
| canada | ontario | idiocerus formosus | species | 70 | 0 |
| canada | ontario | idiocerus lachrymalis | species | 4 | 0 |
| canada | ontario | idiocerus moniliferae | species | 2 | 0 |
| canada | ontario | idiocerus productus | species | 1 | 0 |
| canada | ontario | idiocerus ramentosus | species | 1 | 0 |
| canada | ontario | idiocerus raphus | species | 1 | 0 |
| canada | ontario | idiocerus rotundens | species | 1 | 0 |
| canada | ontario | idiocerus setaceus | species | 4 | 0 |
| canada | ontario | idiocerus sp. bold:aav0214 | species | 1 | 0 |
| canada | ontario | idiocerus sp. bold:aba5804 | species | 2 | 0 |
| canada | ontario | idiocerus sp. bold-2016 | species | 37 | 0 |
| canada | ontario | idiocerus stigmaticalis | species | 2 | 0 |
| canada | ontario | idiocerus suturalis | species | 32 | 0 |
| canada | ontario | idiocerus venosus | species | 45 | 0 |
| canada | prince edward island | idiocerus lachrymalis | species | 1 | 0 |
| canada | prince edward island | idiocerus venosus | species | 1 | 0 |
| canada | quebec | idiocerus sp. bold:aav0214 | species | 2 | 0 |
| canada | quebec | idiocerus sp. bold:abz6671 | species | 8 | 0 |
| canada | quebec | idiocerus sp. bold:acb0209 | species | 3 | 0 |
| canada | quebec | idiocerus xanthiops | species | 2 | 0 |
| canada | saskatchewan | idiocerus delongi | species | 1 | 0 |
| canada | saskatchewan | idiocerus formosus | species | 2 | 0 |
| canada | saskatchewan | idiocerus lachrymalis | species | 5 | 0 |
| canada | saskatchewan | idiocerus raphus | species | 1 | 0 |
| canada | saskatchewan | idiocerus sp. bold-2016 | species | 3 | 0 |
| canada | saskatchewan | idiocerus suturalis | species | 12 | 0 |
| canada | yukon | idiocerus setaceus | species | 8 | 0 |
| canada | yukon | idiocerus xanthiops | species | 56 | 0 |
| china | | idiocerus suturalis | species | 3 | 0 |
| united states | arizona | idiocerus nervatus | species | 1 | 0 |
| united states | arizona | idiocerus snowi | species | 1 | 0 |
| united states | illinois | idiocerus rotundens | species | 2 | 0 |
| united states | maryland | idiocerus stigmaticalis | species | 1 | 0 |
| united states | montana | idiocerus cinctus | species | 1 | 0 |
| united states | montana | idiocerus indistinctus | species | 1 | 0 |
| united states | montana | idiocerus interruptus | species | 1 | 0 |
| united states | montana | idiocerus nervatus | species | 1 | 0 |
| united states | montana | idiocerus rufus | species | 1 | 0 |
| united states | new york | idiocerus moniliferae | species | 1 | 0 |
| united states | washington | idiocerus aureus | species | 1 | 0 |
| united states | washington | idiocerus musteus | species | 1 | 0 |