First tabulation and analysis of natural enemies of snail-killing flies (Diptera: Sciomyzidae), their position in the fly / mollusc ecosystem, and implications for use of sciomyzids in biological control Author Williams, C. D. Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK; Author Knutson, L. Author Gordh, G. Plant Protection & Quarantine, APHIS USDA, Raleigh, NC, USA; Author Mc Donnell, R. J. Department of Crop and Soil Science, Oregon State University, Corvallis, OR, USA; Author Kula, R. Systematic Entomology Laboratory, USDA-ARS, Smithsonian Institution, Washington, DC, USA; Author Gates, M. Systematic Entomology Laboratory, USDA-ARS, Smithsonian Institution, Washington, DC, USA; Author Buffington, M. Systematic Entomology Laboratory, USDA-ARS, Smithsonian Institution, Washington, DC, USA; Author Broad, G. Department of Entomology, Natural History Museum, London, UK & Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK; text Journal of Natural History 2025 2025-01-30 59 5 - 8 331 396 https://doi.org/10.1080/00222933.2024.2443125 journal article 10.1080/00222933.2024.2443125 1464-5262 14798887

Table 3. (Continued).

Gordiacea Mermithidae sp. Nematoda sp. Nematoda sp.	Adult (1♀) Adult (1♀) Adult (2♀) Adult (1♂)	Ilione albiseta Dictya sp. Tetanocera obtusifibula Dictya steyskali	−?/vii 26.vi/29,30.vi 9.vi/15.vi	Belgium New York Idaho New York	Verbeke (1948) Knutson, unpub. Foote (1999) Valley and Berg
Nematoda sp.	Adult (1♀)	Dictya steyskali	(P) 17.v/ 10.vi	New York	(1977) Valley and Berg
					(1977)
Leptosomatidae Pseudocella sp.21	Adults	‘Sciomyzidae’	−	E. Russia	Platanova (1985)
		(identification			(1988)
		questionable)