Metriocnemus knabi
Metriocnemus knabi, the pitcher plant midge, is an inquiline invertebrate found only in the phytotelma of the purple pitcher plant, Sarracenia purpurea. In this microcommunity of bacteria, rotifers, protozoa, and other dipteran larva like Wyeomyia smithii, M. knabi specializes by feeding mostly on the carcasses of drowned insects captured by the plant that collect at the bottom of the pitcher.[2][3] It is found in the eastern United States, as far north as Maine and south to North Carolina.[4]
| Metriocnemus knabi | |
|---|---|
 | |
| Metriocnemus knabi larvae[1] | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Family: | Chironomidae |
| Genus: | Metriocnemus |
| Species: | M. knabi |
| Binomial name | |
| Metriocnemus knabi Coquillett, 1904 | |
References
- Schulz, K. "iNaturalist: Photo 11603732, (c) Katja Schulz, some rights reserved (CC BY)". Retrieved 8 July 2022.
- Heard, Stephen B. (1994). "Pitcher-plant midges and mosquitoes: a processing chain commensalism". Ecology. 75 (6): 1647–1660. doi:10.2307/1939625. JSTOR 1939625.
- Mouquet, N.; Daufresne, T.; Gray, S. M.; Miller, T. E. (2008). "Modelling the relationship between a pitcher plant (Sarracenia purpurea) and its phytotelma community: mutualism or parasitism?". Functional Ecology. 22 (4): 728–737. doi:10.1111/j.1365-2435.2008.01421.x.
- "Metriocnemus knabi". harvardforest.fas.harvard.edu. Retrieved 23 July 2017.
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