Tetrastichus

Tetrastichus
	Tetrastichus planipennisi
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Eulophidae
Subfamily:	Tetrastichinae
Genus:	Tetrastichus; Haliday, 1844
Type species
	Tetrastichus miser, (originally designated as Cirrospilus attalus Walker, 1839); (Nees, 1834)
Species
	450+ species
Synonyms
	Ceratoneuronomyia Girault, 1913; Ennetoma Dahlbom, 1857; Lygellus Giard, 1896; Neotetrastichus Perkins, 1912; Neparaprostocetus Mani, 1939; Pseudomphaloides Girault, 1915; Redinia Girault, 1936; Solenoderus Motschulsky, 1863;

Tetrastichus is a genus of hymenopteran insects of the family Eulophidae.

Tetrastichus planipennisi is a parasitoid of the emerald ash borer, a wood boring insect native to Asia which is an invasive species in North America.

Tetrastichus setifer is a paraditoid of the scarlet lily beetle. The beetle is invasive in North America, and highly destructive to lily species; the wasp has been introduced there for biological pest control.^[1]^[2]

Tetrastichus coeruleus can be used as a biological control agent for the common asparagus beetle.^[3]

Host species

The genus Tetrastichus parasitizes many different species of Lepidoptera, such as Pyralis farinalis.^[4]

References

^ Rice, Waubgeshig (14 Jul 2016). "Ottawa gardener employs tiny helpers to save prized flowers from pesky beetle". CBC News. Retrieved 24 August 2025.
^ Lulla, Mamta (5 August 2020). "Olds College releases non-native wasp to kill lily beetles". Red Deer Advocate. Retrieved 24 August 2025.
^ Fernald, H. T. (1 August 1909). "A parasite of the asparagus beetle". Journal of Economic Entomology. 2 (4): 278–279. doi:10.1093/jee/2.4.278. Retrieved 4 November 2018.
^ Cotton, R. T.; Good, Newell Emanuel; Agriculture, United States Dept of; Quarantine, United States Bureau of Entomology and Plant (1937). Annotated list of the insects and mites associated with stored grain and cereal products, and of their arthropod parasites and predators. U.S. Dept. of Agriculture. p. 2. farinalis.

Key to Nearctic eulophid genera
Universal Chalcidoidea Database Archived 2007-03-10 at the Wayback Machine

[1] Rice, Waubgeshig (14 Jul 2016). "Ottawa gardener employs tiny helpers to save prized flowers from pesky beetle". CBC News. Retrieved 24 August 2025.

[2] Lulla, Mamta (5 August 2020). "Olds College releases non-native wasp to kill lily beetles". Red Deer Advocate. Retrieved 24 August 2025.

[3] Fernald, H. T. (1 August 1909). "A parasite of the asparagus beetle". Journal of Economic Entomology. 2 (4): 278–279. doi:10.1093/jee/2.4.278. Retrieved 4 November 2018.

[4] Cotton, R. T.; Good, Newell Emanuel; Agriculture, United States Dept of; Quarantine, United States Bureau of Entomology and Plant (1937). Annotated list of the insects and mites associated with stored grain and cereal products, and of their arthropod parasites and predators. U.S. Dept. of Agriculture. p. 2. farinalis.

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