Tytthaspis sedecimpunctata is a species of beetle in the family Coccinellidae. Its common English name is the sixteen-spot ladybird. It is found in the Palearctic - Europe, North Africa, European Russia, the Caucasus, Belarus, Ukraine, Moldova, Transcaucasia, Northern Kazakhstan, Western Asia and Northwest China.N. B. Nikitsky and А. S. Ukrainsky, 2016 The Ladybird Beetles (Coleoptera, Coccinellidae) of Moscow Province ISSN 0013-8738, Entomological Review, 2016, Vol. 96, No. 6, pp. 710–735 ISSN 0013-8738 online pdf Fauna Europaea It is an inhabitant of the grass layer occurring on dunes, inland dunes, sandy shores and bodden, in Eurasian steppe or on wastelands and dry meadows and occasionally in marshy meadows.Koch, K., Die Käfer Mitteleuropas, Ökologie. Vol. 2 (Goecke und Evers Verlag, Krefeld, 1989). It is recorded as feeding on aphids but also on Pucciniales and powdery mildew, on the pollen on Gramineae, Compositae, and Convolvulaceae, and also on mites and thrips (Thysanoptera) Turian, G., “Coccinelles micromycétophages (Col.), Mitteilungen der Schweizerischen Entomologischen Gesellschaft 42 (1/2), 52–57 (1969)Ricci, C., Food Strategy of Tytthaspis sedecimpunctata in Different Habitats, in Ecology of Aphidophaga, Ed. by Hodek, I. (Academia; Dordrecht: Dr. W. Junk, Prague, 1986), pp. 311–316. 31
The 16-spot frequently forms very large aggregations on tree trunks, fence posts, logs and so on during winter. It is a small ladybird of around 2-3mm. It is usually a cream or beige colour, although darker forms do occur. It has a distinctive dark line on the middle of its elytra, and its spots are often fused, with three fused spots often forming a line on either side of the ladybird.
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