| austria | carinthia | brachycentrus maculatus | species | 1 | 0 |
| austria | lower austria | brachycentrus maculatus | species | 1 | 0 |
| austria | lower austria | micrasema morosum | species | 1 | 0 |
| canada | | micrasema rusticum | species | 1 | 0 |
| canada | | micrasema wataga | species | 1 | 0 |
| canada | alberta | brachycentrus americanus | species | 29 | 0 |
| canada | alberta | micrasema bactro | species | 1 | 0 |
| canada | british columbia | brachycentrus americanus | species | 28 | 0 |
| canada | british columbia | brachycentrus occidentalis | species | 6 | 0 |
| canada | british columbia | brachycentrus sp. bioug11119-d05 | species | 1 | 0 |
| canada | british columbia | brachycentrus sp. bioug11120-b08 | species | 1 | 0 |
| canada | british columbia | brachycentrus sp. bioug11120-h10 | species | 1 | 0 |
| canada | british columbia | brachycentrus sp. bioug12556-d11 | species | 1 | 0 |
| canada | british columbia | micrasema bactro | species | 9 | 0 |
| canada | british columbia | micrasema sp. bioug18683-f08 | species | 1 | 0 |
| canada | british columbia | micrasema sp. bold-2016 | species | 1 | 0 |
| canada | manitoba | brachycentrus americanus | species | 331 | 0 |
| canada | manitoba | brachycentrus fuliginosus | species | 7 | 0 |
| canada | new brunswick | brachycentrus americanus | species | 1 | 0 |
| canada | new brunswick | brachycentrus sp. 07evcad-0570 | species | 1 | 0 |
| canada | new brunswick | brachycentrus sp. 07evcad-0571 | species | 1 | 0 |
| canada | new brunswick | brachycentrus sp. 07evcad-0572 | species | 1 | 0 |
| canada | new brunswick | brachycentrus sp. 07evcad-0573 | species | 1 | 0 |
| canada | new brunswick | brachycentrus sp. bioug01 | species | 7 | 0 |
| canada | new brunswick | micrasema bactro | species | 1 | 0 |
| canada | new brunswick | micrasema charonis | species | 1 | 0 |
| canada | new brunswick | micrasema rusticum | species | 89 | 0 |
| canada | new brunswick | micrasema sprulesi | species | 1 | 0 |
| canada | new brunswick | micrasema wataga | species | 4 | 0 |
| canada | nova scotia | brachycentrus fuliginosus | species | 1 | 0 |
| canada | nova scotia | brachycentrus sp. 07evcad-0565 | species | 1 | 0 |
| canada | nova scotia | brachycentrus sp. 07evcad-0566 | species | 1 | 0 |
| canada | nova scotia | brachycentrus sp. 07evcad-0567 | species | 1 | 0 |
| canada | nova scotia | brachycentrus sp. 07evcad-0568 | species | 1 | 0 |
| canada | nova scotia | brachycentrus sp. 07evcad-0569 | species | 1 | 0 |
| canada | nova scotia | micrasema charonis | species | 3 | 0 |
| canada | nunavut | brachycentrus americanus | species | 1 | 0 |
| canada | nunavut | micrasema canusa | species | 1 | 0 |
| canada | ontario | brachycentrus incanus | species | 3 | 0 |
| canada | ontario | brachycentrus sp. 07evbar-0021 | species | 1 | 0 |
| canada | ontario | brachycentrus sp. 07evbar-0022 | species | 1 | 0 |
| canada | ontario | micrasema charonis | species | 1 | 0 |
| canada | ontario | micrasema rusticum | species | 3 | 0 |
| canada | ontario | micrasema sp. bold:aab2409 | species | 1 | 0 |
| canada | ontario | micrasema wataga | species | 3 | 0 |
| canada | prince edward island | micrasema charonis | species | 1 | 0 |
| finland | northern ostrobothnia region | brachycentrus subnubilus | species | 2 | 0 |
| finland | pirkanmaa region | micrasema gelidum | species | 2 | 0 |
| germany | bavaria | brachycentrus maculatus | species | 1 | 0 |
| germany | bavaria | brachycentrus subnubilus | species | 14 | 0 |
| germany | bavaria | micrasema morosum | species | 1 | 0 |
| germany | bavaria | micrasema setiferum | species | 1 | 0 |
| germany | brandenburg | brachycentrus subnubilus | species | 4 | 0 |
| japan | hokkaido prefecture | brachycentrus americanus | species | 5 | 0 |
| japan | hokkaido prefecture | micrasema gelidum | species | 4 | 0 |
| japan | hokkaido prefecture | micrasema hanasense | species | 6 | 0 |
| japan | shimane prefecture | micrasema hanasense | species | 1 | 0 |
| kyrgyzstan | chuy region | brachycentrus americanus | species | 1 | 0 |
| kyrgyzstan | naryn region | brachycentrus americanus | species | 1 | 0 |
| mongolia | tov province | micrasema gelidum | species | 6 | 0 |
| mongolia | zavkhan province | brachycentrus americanus | species | 8 | 0 |
| norway | finnmark county | brachycentrus subnubilus | species | 1 | 0 |
| norway | finnmark county | micrasema cf. nigrum finncad-002 | species | 1 | 0 |
| norway | finnmark county | micrasema cf. nigrum finncad-080 | species | 1 | 0 |
| norway | finnmark county | micrasema gelidum | species | 1 | 0 |
| russia | primorsky krai | brachycentrus americanus | species | 2 | 0 |
| russia | primorsky krai | dolichocentrus tenuis | species | 1 | 0 |
| spain | galicia | micrasema moestum | species | 1 | 0 |
| taiwan | | micrasema taiwanensis (nomen nudum) | species | 1 | 0 |
| united kingdom | | brachycentrus subnubilus | species | 2 | 0 |
| united kingdom | england | brachycentrus subnubilus | species | 1 | 0 |
| united states | alaska | micrasema aff. gentile ofcad098-08 | species | 1 | 0 |
| united states | arizona | micrasema onisca | species | 4 | 0 |
| united states | arkansas | brachycentrus occidentalis | species | 3 | 0 |
| united states | california | amiocentrus aspilus | species | 3 | 0 |
| united states | california | brachycentrus echo | species | 1 | 0 |
| united states | california | micrasema bactro | species | 1 | 0 |
| united states | california | micrasema diteris | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022001 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022004 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022005 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022006 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022007 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022008 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022009 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022010 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022011 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022012 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0022013 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0080041 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0080043 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087001 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087003 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087004 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087005 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087006 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087007 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087008 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087009 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087010 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087011 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087012 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087013 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087014 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087015 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087016 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087017 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087018 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087019 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087021 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087022 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087023 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087024 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087025 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087026 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087027 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087028 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087029 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087030 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087031 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087032 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087033 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087035 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087036 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087037 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087038 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087039 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087040 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087041 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087042 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087043 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087044 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087045 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087046 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087047 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087048 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087049 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087050 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087051 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087052 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087053 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087054 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087055 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0087056 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0253001 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0253003 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0292001 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0292002 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0292003 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0292004 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0292005 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0292006 | species | 1 | 0 |
| united states | california | micrasema sp. sccwrp0292007 | species | 1 | 0 |
| united states | colorado | brachycentrus aff. americanus a bg | species | 4 | 0 |
| united states | colorado | brachycentrus aff. americanus b bg | species | 1 | 0 |
| united states | florida | micrasema sp. n. ar us1 | species | 1 | 0 |
| united states | florida | micrasema wataga | species | 1 | 0 |
| united states | georgia | micrasema scotti | species | 1 | 0 |
| united states | idaho | brachycentrus americanus | species | 1 | 0 |
| united states | idaho | micrasema bactro | species | 2 | 0 |
| united states | iowa | micrasema aff. canusa bold:aaf8356 | species | 1 | 0 |
| united states | kentucky | micrasema rusticum | species | 1 | 0 |
| united states | maryland | brachycentrus nigrosoma | species | 7 | 0 |
| united states | maryland | micrasema sp. ami 1 | species | 2 | 0 |
| united states | minnesota | brachycentrus americanus | species | 2 | 0 |
| united states | minnesota | brachycentrus occidentalis | species | 2 | 0 |
| united states | minnesota | micrasema aff. canusa bold:aaf8356 | species | 2 | 0 |
| united states | minnesota | micrasema wataga | species | 1 | 0 |
| united states | mississippi | brachycentrus chelatus | species | 1 | 0 |
| united states | montana | brachycentrus americanus | species | 3 | 0 |
| united states | montana | micrasema bactro | species | 2 | 0 |
| united states | nevada | brachycentrus americanus | species | 1 | 0 |
| united states | new york | micrasema sprulesi | species | 3 | 0 |
| united states | new york | micrasema wataga | species | 3 | 0 |
| united states | north carolina | brachycentrus appalachia | species | 1 | 0 |
| united states | north carolina | brachycentrus numerosus | species | 1 | 0 |
| united states | north carolina | brachycentrus spinae | species | 1 | 0 |
| united states | north carolina | micrasema burksi | species | 4 | 0 |
| united states | north carolina | micrasema charonis | species | 3 | 0 |
| united states | north carolina | micrasema rickeri | species | 1 | 0 |
| united states | north carolina | micrasema sp. jr us1 | species | 1 | 0 |
| united states | oregon | brachycentrus americanus | species | 1 | 0 |
| united states | oregon | eobrachycentrus gelidae | species | 1 | 0 |
| united states | oregon | micrasema bactro | species | 5 | 0 |
| united states | oregon | micrasema dimicki | species | 2 | 0 |
| united states | pennsylvania | micrasema charonis | species | 1 | 0 |
| united states | pennsylvania | micrasema wataga | species | 4 | 0 |
| united states | south carolina | micrasema wataga | species | 2 | 0 |
| united states | south dakota | amiocentrus aspilus | species | 1 | 0 |
| united states | tennessee | brachycentrus lateralis | species | 1 | 0 |
| united states | tennessee | brachycentrus nigrosoma | species | 1 | 0 |
| united states | tennessee | brachycentrus spinae | species | 1 | 0 |
| united states | tennessee | micrasema rusticum | species | 1 | 0 |
| united states | tennessee | micrasema scotti | species | 1 | 0 |
| united states | tennessee | micrasema wataga | species | 2 | 0 |
| united states | utah | brachycentrus americanus | species | 2 | 0 |
| united states | utah | micrasema bactro | species | 1 | 0 |
| united states | virginia | brachycentrus lateralis | species | 2 | 0 |
| united states | virginia | brachycentrus nigrosoma | species | 2 | 0 |
| united states | virginia | micrasema bennetti | species | 1 | 0 |
| united states | virginia | micrasema burksi | species | 1 | 0 |
| united states | virginia | micrasema charonis | species | 1 | 0 |
| united states | virginia | micrasema rusticum | species | 2 | 0 |
| united states | virginia | micrasema scotti | species | 2 | 0 |
| united states | virginia | micrasema wataga | species | 1 | 0 |
| united states | wyoming | brachycentrus americanus | species | 2 | 0 |