Catalogue Query Results


Duplachionaspis welwitschiae Williams

NOMENCLATURE:

Duplachionaspis welwitschiae Williams, 1955: 144-146. Type data: ANGOLA: Mossamedes Desert, on Welwitschia bainsii, ?/05/1949, by E. Dartevelle. Holotype female. Type depository: London: The Natural History Museum, England, UK. Described: female. Illust. Notes: Paratype in the Musée Royal du Congo Belge.



Host: Gnetaceae: Welwitschia bainsii [Willia1955].

DISTRIBUTION: Afrotropical: Angola [Willia1955].

GENERAL REMARKS: Best description and illustration by Williams (1955).

STRUCTURE: Female scale white, elongate and broadened posteriorly. Exuviae pale brown. Male scale much smaller, only slightly broadened posteriorly and with a median carina. Adult female 1.0 mm long and 0.6 mm wide, fusiform, widest across the metathorax and first abdominal segment (Williams, 1955).

SYSTEMATICS: Duplachionaspis welwitschiae can be distinguished in having a submarginal macroduct on the 6th segment which may be linked with the submedian ducts (Williams, 1955).

CITATIONS: Borchs1966 [catalogue, distribution, host, taxonomy: 131]; Muntin1977 [distribution, host, taxonomy: 15]; Takagi1971 [distribution, host: 130]; Willia1955 [description, distribution, host, illustration, taxonomy: 140, 144].




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