Illeis confusa is a species of beetle of the family Coccinellidae. It is found in India (Arunachal Pradesh, Assam, Jammu & Kashmir, Manipur, Meghalaya, Nagaland, Sikkim, Tripura, Uttarakhand, West Bengal), Nepal, Bhutan, Thailand and China (including Hong Kong).

Description Adults reach a length of about . They are similar to Illeis cincta, but variable in colour. The head and pronotum are creamy white and the elytra are lemon yellow, pinkish-fawn or creamy yellow. The pronotum has two black spots.

Life history They have been recorded feeding on powdery mildews.

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