Synonyms and other taxonomic changes
= Sogata pseudoseminigra Muir and Giffard, 1924: 15.
= Liburnia pseudoseminigra (Muir and Giffard, 1924); comb. by Metcalf 1943: 367-368.
= Syndelphax pseudoseminiger (Muir and Giffard, 1924); (1)
Explanation of Names
Syndelphax pseudoseminiger (Muir and Giffard)
seminigra = 'half black'
There are 8 species described species in Syndelphax. Additional species belonging to this genus are currently misplaced in the polyphyletic genus Delphacodes. This genus is being revised and the transfer of these species is expected in the near future.
FL-GA (Cherry et al. 2006), (recently adventive to California, near Los Angeles) - University of Delaware
TX-LA per BG data
In March 2005, a large infestation of the delphacid planthopper, Liburnia pseudoseminigra (Muir & Gifford), was found infesting St. Augustinegrass, Stenotaphrum secundatum, in a commercial sod farm in southern Florida. (Cherry et al. 2006)
Large population numbers can create nuisance problems.
The head is much narrower between the eyes in this species (about 2 x as long as wide) compared to D. fulvidorsum (about 1.5 x as long as wide). … Andy Hamilton, 22 April, 2009
Cherry, R.H., P. Stansly, R. Nagata and S. Halbert. 2006. Liburnia pseudoseminigra
(Delphacidae: Homoptera), a new and unusual pest of St. Augustine grass. Florida Entomologist 89(4): 459-461. (Full PDF
Muir, F.A.G. and W.M. Gifford. 1924. Studies in North American Delphacidae. Bulletin of the Experiment Station of the Hawaiian Sugar Planters' Association, Entomological series no. 15: 1-53.