Valid Names Results

Acanthococcus missourii (Hollinger, 1917) (Eriococcidae: Acanthococcus)

Nomenclatural History

• Eriococcus missourii Hollinger 1917a: 270. Type data: UNITED STATES: Missouri, on Cirsium altissimum. Lectotype, female, by subsequent designation (MillerMi1993,51-54). Type depository: Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; accepted valid name Illustr.
• Eriococcus pilosus Lobdell 1929: 763. Type data: UNITED STATES: Mississippi, A. & M. College, on Cirsium, 14/02/1927, by M.R. Smith. Holotype, female, by original designation Type depository: Mississippi State (Starkeville): Mississippi Entomological Museum, Mississippi State University, Mississippi, USA.; junior synonym (discovered by MillerMi1993, 51-54). Notes: Paratype in MUIC (Schiefer, 2000). Illustr.
• Eriococcus spinosus Lobdell, 1929; Ferris 1955a: 166. misspelling of species epithet Notes: It is clear that Ferris (1955a) misspelled Eriococcus pilosus Lobdell as E. spinosus in his notes section of E. stanfordianus. This view is supported by looking at the notes section of E. pilosus where he says that E. pilosus is quite similar to E. stanfordianus.
• Acanthococcus missourii (Hollinger, 1917); Miller & Miller 1993: 51-54. change of combination Illustr.

Common Names

• Missouri eriococcin MillerMi1993

Ecological Associates

Hosts:

Families: 3 | Genera: 5

Geographic Distribution

Keys

• Koszta1996: pp.228 ( Adult (F) ) [Acanthococcus species of Northeastern North America] Key as: Acanthococcus missourii
• MillerMi1993: pp.51-54 ( Adult (F) ) [Acanthococcus species of the eastern United States] Key as: Acanthococcus missourii
• Ferris1955a: pp.97 ( Adult (F) ) [North American species of Eriococcus]

Remarks

• Systematics: Slide-mounted adult female with: large-sized enlarged setae conical, sides concave, apices rounded, small size also conical, larger size forming 3 longitudinal lines on each side of abdomen except absent from mediolateral area, smaller size in mediolateral area, 3-6 setae in lateral cluster near margin of each abdominal segment; microtubular ducts short, with 2 sclerotized areas (Miller & Miller, 1993)
• Structure: Newly molted adult females are cream to grayish-white. Older adults are straw colored and early instars are deep purplish-red (Hollinger, 1923). Sac of female is tough, yellowish white, felted. Dead adult female is deep red in color, turning lighter and brighter when boiled in KOH (Lobdell, 1929).
• General Remarks: Detailed description and illustration by Miller & Miller (1993). Original description and illustration by Lobdell (1929). Additional information in Ferris (1955a).

Illustrations

Citations