Appearance
It's a rather large Coccinellid (8.5–10.2 mm), shiny pale orange/yellowish brown with 22 spots, 11 per elytrum arranged in three cross bands of three spots each and an apical band of two (3,3,3,2).References:
Some text fragments are auto parsed from Wikipedia.
Harmonia, vol.12 [cover photo by Julien Dabry]http://archives.picardie-nature.org/?action=lecteur&document=876
Riaan Stals, Riaan; Goddy, Prinsloo (2007) Discovery of an alien invasive, predatory insect in South Africa: the multicoloured Asian ladybird beetle, Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) - South African Journal of Science, vol.103, pp.123-127.
[showing Harmonia vigintiduosignata on fig.4 pg.124]
http://www.scielo.org.za/pdf/sajs/v103n3-4/10.pdf
Old key here:
Mader, L. (1954) Coccinellidae - III. Teil. - Exploration du Parc National Albert - Exploratie van het Nationaal Albert Park - Mission/, vol.80, 195pp
Partial PDF for pages 94-195: http://biblio.naturalsciences.be/rbins-publications/institut-des-parcs-nationaux-du-congo/exploration-du-parc-national-albert-exploratie-van-het-nationaal-albert-park-mission-zending-g-f-de-witte-1933-1935/80-1954-mission-g-f-de-witte-coccinellidae/irscnb_p4137_rbins18799_80-98-210-part-2-red.pdf
