species

Laevicephalus sylvestris (Osborn & Ball, 1897)

Deltocephalus sylvestris Osborn & Ball, 1897a: 213.
Syntypes; adult; 78ca1676-5987-4659-96ed-893ac9dad3a1; deposited at: National Museum of Natural History, Smithsonian Institution (USNM); U.S.A., Iowa: Ames. Syntypes; adult; 23f4f2f7-401d-484d-a59c-d79488e0e183; deposited at: National Museum of Natural History, Smithsonian Institution (USNM); U.S.A.: Maryland. Syntypes; adult; 3e68af1d-ea05-452f-973a-495675697857; deposited at: National Museum of Natural History, Smithsonian Institution (USNM); U.S.A.: Kansas. Syntypes; adult; 8f1430f8-04f9-4156-8c46-8de3a2989ab6; deposited at: California Academy of Sciences (CASC); Canada: from Ontario, VanDuzee collection
Deltocephalus silvestris [sic] (Osborn & Ball, 1897) in Fenton, 1918a: 184.
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Deltocephalus (Laevicephalus) sylvestris Osborn & Ball, 1897 in DeLong, 1926d: 69.
Laevicephalus sylvestris (Osborn & Ball, 1897) in DeLong & Sleesman, 1929a: 93.

Gender, form, and etymology

Etymology:

Latin: sylvan, from woods

DeLong, D.M. & Sleesman, J.P. (1929a) New genera and subgenera form the genus Deltocephalus. A study of the internal male genitalia of the American species and their bearing upon taxonomy. Annals of the Entomological Society of America, 22, 81–114.
DeLong, D.M. (1926d) A monographic study of the North American species of the genus Deltocephalus. University Studies. The Ohio State University. Contributions in zoology and entomology. 2 (13): i-x, 1-129.

Fenton, F.A. (1918a) The parasites of leaf-hoppers. With special reference to the biology of the Anteoninae. Part I. The Ohio Journal of Science, 18, 177–212.
Osborn, H. & Ball, E.D. (1897a) Contributions to the Hemipterous fauna of Iowa. Proceedings of the Iowa Academy of Science, 4(No. 1, Art. 31), 172–234 + pls. 19–26. [1896]

	Valid names
Rank	Extant	Fossil	Invalid	Total
species	1	0	3	4