| argentina | | erythrolamprus poecilogyrus | species | 3 | 0 |
| argentina | | philodryas olfersii | species | 7 | 0 |
| argentina | chaco province | hydrodynastes gigas | species | 0 | 1 |
| bolivia | | sibynomorphus turgidus | species | 3 | 0 |
| brazil | | echinanthera aff. cephalostriata | species | 2 | 0 |
| brazil | | echinanthera cephalostriata | species | 3 | 0 |
| brazil | | echinanthera undulata | species | 3 | 0 |
| brazil | | erythrolamprus aesculapii | species | 3 | 0 |
| brazil | | erythrolamprus miliaris | species | 3 | 0 |
| brazil | | erythrolamprus poecilogyrus | species | 3 | 0 |
| brazil | | erythrolamprus typhlus | species | 3 | 0 |
| brazil | | oxyrhopus guibei | species | 3 | 0 |
| brazil | | philodryas patagoniensis | species | 3 | 0 |
| brazil | | pseudoboa nigra | species | 1 | 0 |
| brazil | | sibynomorphus mikanii | species | 3 | 0 |
| brazil | | sibynomorphus neuwiedi | species | 3 | 0 |
| brazil | | tomodon dorsatus | species | 3 | 0 |
| brazil | amazonas | hydrodynastes gigas | species | 0 | 1 |
| brazil | mato grosso | phalotris nasutus | species | 0 | 1 |
| brazil | mato grosso | philodryas olfersii | species | 0 | 1 |
| brazil | mato grosso do sul | phalotris nasutus | species | 0 | 1 |
| brazil | mato grosso do sul | philodryas olfersii | species | 0 | 1 |
| brazil | mato grosso do sul | pseudoboa nigra | species | 1 | 0 |
| brazil | minas gerais | xenodon merremi | species | 1 | 0 |
| brazil | pernambuco | philodryas olfersii | species | 0 | 1 |
| brazil | rio de janeiro | elapomorphus quinquelineatus | species | 0 | 1 |
| brazil | rio de janeiro | erythrolamprus miliaris | species | 0 | 1 |
| brazil | rio de janeiro | oxyrhopus rhombifer | species | 0 | 1 |
| brazil | rio de janeiro | philodryas olfersii | species | 0 | 2 |
| brazil | rio de janeiro | siphlophis compressus | species | 0 | 1 |
| brazil | rio de janeiro | siphlophis pulcher | species | 0 | 1 |
| brazil | rio de janeiro | tropidodryas serra | species | 0 | 1 |
| brazil | rio grande do norte | philodryas nattereri | species | 1 | 1 |
| brazil | rio grande do sul | erythrolamprus poecilogyrus | species | 0 | 1 |
| brazil | sao paulo | erythrolamprus miliaris | species | 1 | 0 |
| brazil | sao paulo | oxyrhopus guibei | species | 1 | 0 |
| brazil | sao paulo | philodryas olfersii | species | 1 | 1 |
| brazil | sao paulo | sibynomorphus mikanii | species | 3 | 0 |
| brazil | tocantins | conophis lineatus | species | 0 | 1 |
| canada | ontario | heterodon platirhinos | species | 1 | 0 |
| chile | | philodryas chamissonis | species | 1 | 0 |
| chile | santiago metropolitan region | philodryas chamissonis | species | 0 | 1 |
| colombia | magdalena department | ninia atrata | species | 0 | 1 |
| costa rica | | erythrolamprus bizona | species | 3 | 0 |
| costa rica | | oxyrhopus petolarius | species | 2 | 0 |
| costa rica | cartago province | nothopsis rugosus | species | 4 | 0 |
| costa rica | puntarenas province | erythrolamprus epinephelus | species | 1 | 0 |
| costa rica | puntarenas province | geophis godmani | species | 1 | 0 |
| cuba | pinar del rio province | arrhyton tanyplectum | species | 4 | 0 |
| ecuador | | oxyrhopus petolarius | species | 2 | 0 |
| ecuador | azuay province | erythrolamprus epinephelus | species | 6 | 0 |
| ecuador | bolivar province | erythrolamprus epinephelus | species | 7 | 0 |
| ecuador | cotopaxi province | erythrolamprus epinephelus | species | 10 | 0 |
| ecuador | el oro province | erythrolamprus epinephelus | species | 6 | 0 |
| ecuador | francisco de orellana province | erythrolamprus epinephelus | species | 6 | 0 |
| ecuador | francisco de orellana province | erythrolamprus reginae | species | 9 | 0 |
| ecuador | loja province | erythrolamprus epinephelus | species | 22 | 0 |
| ecuador | manabi province | erythrolamprus mimus | species | 11 | 0 |
| ecuador | morona santiago province | erythrolamprus reginae | species | 6 | 0 |
| ecuador | napo province | erythrolamprus aesculapii | species | 6 | 0 |
| ecuador | napo province | erythrolamprus epinephelus | species | 12 | 0 |
| ecuador | napo province | erythrolamprus reginae | species | 10 | 0 |
| ecuador | pastaza province | erythrolamprus reginae | species | 8 | 0 |
| ecuador | pichincha province | erythrolamprus epinephelus | species | 23 | 0 |
| ecuador | pichincha province | erythrolamprus mimus | species | 12 | 0 |
| ecuador | sucumbios province | erythrolamprus pygmaeus | species | 6 | 0 |
| ecuador | zamora chinchipe province | erythrolamprus reginae | species | 13 | 0 |
| guatemala | huehuetenango department | adelphicos quadrivirgatum | species | 4 | 0 |
| guatemala | izabal department | hydromorphus concolor | species | 4 | 0 |
| guatemala | izabal department | xenodon rabdocephalus | species | 4 | 0 |
| guatemala | zacapa department | conophis lineatus | species | 3 | 0 |
| guyana | | erythrolamprus aesculapii | species | 3 | 0 |
| guyana | | erythrolamprus cobella | species | 3 | 0 |
| guyana | | erythrolamprus miliaris | species | 3 | 0 |
| honduras | | erythrolamprus mimus | species | 3 | 0 |
| japan | tokyo prefecture | philodryas baroni | species | 1 | 0 |
| martinique | | erythrolamprus cursor | species | 12 | 0 |
| mexico | chiapas | ninia sebae | species | 1 | 0 |
| mexico | guerrero | geophis occabus | species | 8 | 0 |
| mexico | oaxaca | geophis dubius | species | 6 | 0 |
| mexico | oaxaca | geophis juarezi | species | 1 | 0 |
| mexico | puebla | adelphicos quadrivirgatum | species | 1 | 0 |
| mexico | puebla | geophis turbidus | species | 4 | 0 |
| mexico | queretaro arteaga | geophis latifrontalis | species | 1 | 0 |
| mexico | tamaulipas | geophis latifrontalis | species | 1 | 0 |
| mexico | veracruz-llave | geophis carinosus | species | 1 | 0 |
| mexico | yucatan | conophis lineatus | species | 1 | 0 |
| panama | bocas del toro province | clelia clelia | species | 2 | 0 |
| panama | bocas del toro province | xenodon rabdocephalus | species | 2 | 0 |
| panama | chiriqui province | erythrolamprus bizona | species | 2 | 0 |
| panama | chiriqui province | erythrolamprus epinephelus | species | 2 | 0 |
| panama | cocle province | amastridium veliferum | species | 6 | 0 |
| panama | cocle province | erythrolamprus bizona | species | 2 | 0 |
| panama | cocle province | erythrolamprus mimus | species | 2 | 0 |
| panama | cocle province | oxyrhopus petolarius | species | 4 | 0 |
| panama | colon province | clelia clelia | species | 2 | 0 |
| panama | colon province | erythrolamprus bizona | species | 2 | 0 |
| panama | colon province | siphlophis cervinus | species | 2 | 0 |
| panama | colon province | xenodon rabdocephalus | species | 2 | 0 |
| panama | darien province | xenodon rabdocephalus | species | 4 | 0 |
| paraguay | | erythrolamprus poecilogyrus | species | 1 | 0 |
| peru | | erythrolamprus epinephelus | species | 3 | 0 |
| puerto rico | | magliophis exiguum | species | 2 | 0 |
| trinidad and tobago | | erythrolamprus melanotus | species | 14 | 0 |
| trinidad and tobago | | erythrolamprus ocellatus | species | 2 | 0 |
| united states | | farancia abacura | species | 1 | 0 |
| united states | | heterodon nasicus | species | 4 | 0 |
| united states | | heterodon platirhinos | species | 27 | 0 |
| united states | | heterodon simus | species | 1 | 0 |
| united states | arizona | heterodon nasicus | species | 1 | 0 |
| united states | florida | farancia abacura | species | 5 | 0 |
| united states | florida | heterodon simus | species | 3 | 0 |
| united states | georgia | farancia abacura | species | 0 | 1 |
| united states | illinois | heterodon platirhinos | species | 1 | 0 |
| united states | indiana | heterodon platirhinos | species | 1 | 0 |
| united states | minnesota | heterodon nasicus | species | 1 | 0 |
| united states | north carolina | heterodon platirhinos | species | 1 | 0 |
| united states | rhode island | magliophis exiguum | species | 1 | 0 |
| united states | texas | farancia abacura | species | 1 | 0 |
| united states | texas | heterodon nasicus | species | 0 | 1 |