Valid Names Results

Acalyptococcus graminis (Maskell, 1897) (Eriococcidae: Acalyptococcus)

Nomenclatural History

• Eriococcus graminis Maskell 1897a: 243. Type data: CHINA: Hong Kong, on undetermined Gramineae, by A. Koebele. Syntypes, female, Type depository: Auckland: New Zealand Arthropod Collection, Landcare Research, New Zealand; Davis: The Bohart Museum of Entomology, University of California, California, USA; San Francisco: California Academy of Sciences, Department of Entomology, California, USA; Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; accepted valid name
• Eriococcus graminiae Maskell, 1897; Kuwana 1917a: 167. misspelling of species epithet
• Nidularia graminis (Maskell, 1897); Lindinger 1933a: 116. change of combination
• Acanthococcus graminis (Maskell, 1897); Kozár & Walter 1985: 74. change of combination
• Acalyptococcus graminis (Maskell, 1897); Kozár, Kaydan, Konczné Benedicty & Szita 2013: 68-69. change of combination

Common Names

• grass scale Yang1982

Ecological Associates

Hosts:

Families: 1 | Genera: 2

Geographic Distribution

Keys

• KozarKaKo2013: pp.65 ( Adult (F) ) [Key to species of Acalyptococcus]
• Wang2001: pp.207 ( Adult (F) ) [Key to species of Eriococcus] Key as: Eriococcus graminis
• TangHa1995: pp.448, 645 ( Adult (F) ) [Eriococcus species] Key as: Eriococcus graminis
• Wang1982c: pp.143 ( Adult (F) ) [Eriococcus species] Key as: Eriococcus graminis
• Wang1982ZQ: pp.41 ( Adult (F) ) [Eriococcus species of China] Key as: Eriococcus graminis

Remarks

• Systematics: Slide-mounted adult female with: enlarged setae elongate, conical, apices acute, largest setae in marginal and medial areas, 3 longitudinal lines of setae on each side of body; anal lobes heavily sclerotized, elongate, with 4 enlarged setae; sclerotized plate between median lobes on dorsum (Ferris, 1936).
• Structure: Adult females are enclosed in sacs of white cotton. They are closely felted. Male sacs similar to those of females, though smaller. Adult female is elliptical, but shrivelling at gestation, dull greenish-brown in color. First instars are yellow (Maskell, 1898).
• Biology: Adult females are massed together and appear as if encrusting the plant (Maskell, 1898).
• General Remarks: Most detailed description and illustration by Ferris (1936).

Illustrations

Citations