TABLE 3.
Top 20 family‐level prey items detected in big brown and little brown bat guano samples, ranked by weighted percent occurrence (wPO). Changes in top family‐level prey items between time periods are highlighted in bold
| Big brown bat (Eptesicus fuscus), 2015–2016 | Big brown bat (Eptesicus fuscus), 2017–2018 | ||||
|---|---|---|---|---|---|
| Order | Family | Mean wPO | Order | Family | Mean wPO |
| Coleoptera | Elateridae | 0.0527 | Trichoptera | Hydropsychidae | 0.089 |
| Trichoptera | Hydropsychidae | 0.0524 | Coleoptera | Scarabaeidae | 0.070 |
| Coleoptera | Carabidae | 0.0498 | Coleoptera | Elateridae | 0.070 |
| Coleoptera | unidentified | 0.0469 | Diptera | Limoniidae | 0.064 |
| Diptera | Limoniidae | 0.0459 | Coleoptera | Carabidae | 0.044 |
| Lepidoptera | Tortricidae | 0.0376 | Coleoptera | unidentified | 0.044 |
| Ephemeroptera | Heptageniidae | 0.0366 | Megaloptera | Corydalidae | 0.043 |
| Diptera | Chironomidae | 0.0330 | Diptera | Chironomidae | 0.040 |
| Coleoptera | Scarabaeidae | 0.0305 | Lepidoptera | Tortricidae | 0.036 |
| Coleoptera | Pyrochroidae | 0.0269 | Coleoptera | Pyrochroidae | 0.030 |
| Coleoptera | Cerambycidae | 0.0262 | Diptera | unidentified | 0.024 |
| Hemiptera | Miridae | 0.0241 | Diptera | Tipulidae | 0.023 |
| Diptera | Tipulidae | 0.0222 | Coleoptera | Hydrophilidae | 0.021 |
| Coleoptera | Hydrophilidae | 0.0213 | Hemiptera | Cicadellidae | 0.019 |
| Diptera | unidentified | 0.0196 | Coleoptera | Cerambycidae | 0.017 |
| Hymenoptera | Ichneumonidae | 0.0180 | Hemiptera | Miridae | 0.015 |
| Megaloptera | Corydalidae | 0.0167 | Diptera | Culicidae | 0.014 |
| Lepidoptera | Tineidae | 0.0148 | Coleoptera | Tenebrionidae | 0.014 |
| Trichoptera | Leptoceridae | 0.0135 | Ephemeroptera | Heptageniidae | 0.012 |
| Coleoptera | Tenebrionidae | 0.0128 | Hymenoptera | Ichneumonidae | 0.012 |
| Little brown bat (Myotis lucifugus), 2015–2016 | Little brown bat (Myotis lucifugus), 2017–2018 | ||||
| Diptera | Chironomidae | 0.0744 | Diptera | Chironomidae | 0.086 |
| Lepidoptera | Tortricidae | 0.0387 | Lepidoptera | Tortricidae | 0.049 |
| Diptera | Limoniidae | 0.0337 | Coleoptera | Elateridae | 0.044 |
| Coleoptera | Elateridae | 0.0337 | Trichoptera | Hydropsychidae | 0.043 |
| Diptera | unidentified | 0.0285 | Diptera | Culicidae | 0.032 |
| Lepidoptera | Gelechiidae | 0.0268 | Lepidoptera | Gelechiidae | 0.031 |
| Ephemeroptera | Caenidae | 0.0259 | Lepidoptera | Depressariidae | 0.031 |
| Hemiptera | Miridae | 0.0251 | Diptera | unidentified | 0.028 |
| Trichoptera | Hydropsychidae | 0.0240 | Araneae | unidentified | 0.025 |
| Trichoptera | Leptoceridae | 0.0207 | Coleoptera | Scarabaeidae | 0.025 |
| Hemiptera | Corixidae | 0.0193 | Coleoptera | Dermestidae | 0.024 |
| Diptera | Tipulidae | 0.0184 | Diptera | Tipulidae | 0.023 |
| Ephemeroptera | Heptageniidae | 0.0182 | Araneae | Theridiidae | 0.021 |
| Lepidoptera | Depressariidae | 0.0176 | Coleoptera | unidentified | 0.021 |
| Diptera | Culicidae | 0.0175 | Diptera | Limoniidae | 0.019 |
| Diptera | Psychodidae | 0.0166 | Diptera | Chaoboridae | 0.019 |
| Hymenoptera | Ichneumonidae | 0.0155 | Ephemeroptera | Heptageniidae | 0.018 |
| Diptera | Cecidomyiidae | 0.0154 | Coleoptera | Carabidae | 0.018 |
| Lepidoptera | Tineidae | 0.0148 | Diptera | Tachinidae | 0.017 |
| Coleoptera | Carabidae | 0.0140 | Lepidoptera | Crambidae | 0.015 |