Valid Names Results

Contigaspis bilobis (Newstead, 1895) (Diaspididae: Contigaspis)

Nomenclatural History

• Chionaspis bilobis Newstead 1895b: 233-234. Type data: ALGERIA: Biskra, on Deverra scoparia, 02/03/1895, by A.E. Eaton. Syntypes, female, Type depository: London: The Natural History Museum, England, UK; accepted valid name Illustr.
• Duplachionaspis bilobis (Newstead, 1895); MacGillivray 1921: 333. change of combination
• Pinnaspis bilobis (Newstead, 1895); Hall 1925: 19. change of combination
• Pinaspis bilobis; Lindinger 1935: 131. misspelling of genus name
• Eremaspis bilobis (Newstead, 1895); Bodenheimer 1951: 330. change of combination
• Contigaspis bilobis (Newstead, 1895); Balachowsky 1954e: 420. change of combination

Common Names

• bilobe scale AbdRabEv2021

Ecological Associates

Hosts:

Families: 7 | Genera: 9

Geographic Distribution

Keys

• BorchsWi1963a: pp.595 ( Adult (F) ) [Key to species of Contigaspis]
• Ezzat1958: pp.246 ( Adult (F) ) [Key to species of Pinnaspis known to occur in Egypt] Key as: Pinnaspis bilobis
• Balach1954e: pp.413 ( Adult (F) ) [Key to Palearctic species of Contigaspis]
• MacGil1921: pp.333 ( Adult (F) ) [Key to species of Duplachionaspis] Key as: Duplachionaspis bilobis

Remarks

• Systematics: Contigaspis bilobis is easily distinguished from C. zillae, with which it is often confused by the more robust structure of L2, twinned glandular spines on the pygidium margin and especially the regular range of the marginal macropores on VI and VII (Balachowsky, 1954e).
• Structure: Female scale pure white, more or less pyriform, suddenly widened immediately behind the second molt, or elongated with sides parallel, very convex, larval and second molt yellowish or frequently pure white. Scale of male and larval molt pure white, with distinct lateral and central carinae. Adult female dull crimson, black after treatment with potash (Newstead, 1895b).
• General Remarks: Best description and illustration by Newstead (1895b).

Illustrations

Citations