Valid Names Results

Andaspis retrusa (Ramakrishna Ayyar, 1919) (Diaspididae: Andaspis)

Nomenclatural History

• Mytilaspis retrusus Ramakrishna Ayyar 1919a: 24. Type data: INDIA: Nilgiris, Dodabetta, on Litsea whitiana. Syntypes, female, Type depository: London: The Natural History Museum, England, UK; accepted valid name Illustr.
• Lepidosaphes retrusus (Ramakrishna Ayyar, 1919); Green 1919c: 446. change of combination
• Mytilaspis (Lepidosaphes) retrusus Ramakrishna Ayyar, 1919; Ramakrishna Ayyar 1930: 30. change of combination
• Andaspis retrusa (Ramakrishna Ayyar, 1919); Williams 1963b: 20-23. change of combination Illustr.
• Roonwalaspis retrusa (Ramakrishna Ayyar, 1919); Borchsenius 1967: 734. change of combination Notes: Takagi (1970) synonymized the genus Roonwalaspis Borchsenius with Andaspis MacGillivray creating the combination Andaspis retrusa.

Common Names

Ecological Associates

Hosts:

Families: 1 | Genera: 1

Geographic Distribution

Keys

• Borchs1967: pp.734 ( Adult (F) ) [Key to species of Roonwalaspis] Key as: Roonwalaspis retrusa
• Willia1963b: pp.25 ( Adult (F) ) [Key to species of Andaspis]

Remarks

• Systematics: This species is close to Andaspis laingi, by possessing only 4 pairs of pygidial macroducts, but differs in possessing more numerous dorsal ducts and in lacking the marginal sclerotized spurs. Only 3 pairs of marginal macroducts were mentioned in the original description but there are clearly 4 pairs in all of the material studied (Williams, 1963b).
• Structure: Scale of adult female dull to reddish brown, moderately convex, up to 1.5mm long, exuviae tending to be yellowish brown. Male scale lighter and paler in color, about 1.0mm in length (Williams, 1963b).
• General Remarks: Description and illustration by Williams (1963b).

Illustrations

Citations