
Naming
Originally described as Cirrospilus rhosaces by Walker in 1839. Historically this species has also been classified in various other genera, as Aprostocetus rhosaces (Walker, 1839) and Tetrastichus rhosaces (Walker, 1839).The species Cirrospilus racilla, also described by Walker in 1839, today is considered to be a synonym of Holcotetrastichus rhosaceus.

Reproduction
Documented hosts include: Cassida deflorata, C. murraea, C. nebulosa, C. nobilis, C. piperata, C. rubiginosa, C. viridis and C. vittata.References:
Some text fragments are auto parsed from Wikipedia.
Universal Chalcidoidea Database:https://www.nhm.ac.uk/our-science/data/chalcidoids/database/detail.dsml?FamilyCode=HT&VALAUTHOR=%28Walker%29&VALGENUS=Holcotetrastichus&HOMCODE=0&VALDATE=1839&VALSPECIES=rhosaces&ValidAuthBracket=false