January 1, 2005 According to Spencer and Steyskal, the genus

According to Spencer and Steyskal, the genus Phytomyza contains 97 species in the United States. It is the largest genus in the family, with over 450 species in the world. Larvae of most species are leaf miners but a few are internal feeders in stems or seeds. The 26 species that should occur in Ohio, along with their host plants, are listed below:

1. P. davisii (Walton) - Ranunculus abortivus, leaf miner

2. P. flavicornis Fallén - stems of Urtica spp. Puparia formed within infested stems

3. P. genalis Melander - unknown

4. P. coquilletti Spencer - unknown

5. P. nervosa Loew - unknown

6. P. plumiseta Frost - Thalictrum polygamum, leaf miner

7. P. aconiti Hendel - Aconitum spp., Delphinium spp., leaf miner

8. P. auricornis Frost - unknown

9. P. dreisbachi Steyskal - unknown

10. P. chelonei Spencer - Chelone glabra and other species of the genus. Larva feeding within seeds

11. P. plantaginis Robineau-Desvoidy - Plantago, leaf miner

12. P. aquilegiana Frost - Aquilegia, leaf miner

13. P. erigerophila Hering - Erigeron, leaf miner

14. P. aquilegivora Spencer - Aquilegia spp.

15. P. asterophaga Spencer - Aster conspicua, leaf miner

16. P. astotinensis Griffiths - Solidgao spp.

17. P. pastinacae Hendel - Angelica, Pastinaca, Heracleum, leaf miner

18. P. notopleuralis Spencer - unknown

19. P. bicolor Coquillett - unknown

21. P. ilicicola Loew - Ilex aquifolium, I. opaca, leaf miner

22. P. glabricola Kulp - Ilex glabra, leaf miner, pupates in leaf

23. P. clematisella Spencer - Clematis, stem borer

24. P. loewi Hendel - Clematis spp., leaf miner

25. P. thalictrivora Spencer - Thalictrum spp., leaf miner

26. P. osmorhizae Spencer - Osmorhiza spp, leaf miner

January 1, 2002

The species of stem-boring Phytomyza listed below have the following host plant affiliations:
Phytomyza sp. Host Plant Reference
P. affinalis Fallén Lactuca serriola L. Witwer, 1970

P. lupini Sehgal Lupinus sericeus Pursh. Witwer, 1970