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Wildlife Spotting

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3.11864, 26.8914

Field Notes

Description:

These appear to be to nymphs of one member of Pentatomoidea superfamily, of Heteroptera order. They are between 3mm and 1cm in size, photographed here in few instars all at the same time, distinctive bright coloration with red, black, and iridescent blue-green patterns.

Habitat:

They were found in a large numbers in a cultivated garden of a local monastery, on some ornemental plants. The monastery is at the outskirts of a village or small town in the middle of Congo tropical forest

Notes:

I'm finally getting really close to IDing these beauties - it took me only 13 years.... At the moment, I'm thinking about two options - in appearance, these look like the nymphs of Harlequin bug, all vividly coloured, but their presence in Congo forest is not expected - hibiscus harlequin bug or cotton harlequin bug (Tectocoris diophthalmus - https://www.facebook.com/MagnificenceMagnified/posts/pfbid02J3mAUZ3CRo9…) normally occurs in Australia and South-East Asia. One other candidate is Painted Bug (Bagrada hilaris https://nathistoc.bio.uci.edu/hemipt/Bagrada.htm) native to Africa, particularly in tropical and subtropical regions. The nymph of Bagrada bug has a similar coloration, with red and black markings, though less bright and less irridescent. It is often found in agricultural settings, feeding on cruciferous plants, but it could also be present in forested or gardened areas.

Species ID Suggestions

Comments (2)

Yes Zlatan, it is difficult with nymphs. Another one from Africa is the Rainbow Shield Bug https://www.inaturalist.org/observations/36155136, https://www.inaturalist.org/taxa/127247-Calidea-dregii
Cheers all - for last 13 years I've been trying to ID these ones here - At the moment, I'm considering two possibilities. The first is that these insects resemble the vividly colored nymphs of the Harlequin Bug, specifically the hibiscus or cotton harlequin bug (Tectocoris diophthalmus), which is typically found in Australia and Southeast Asia, making their presence in the Congo forest quite unexpected. Alternatively, they could be Painted Bugs (Bagrada hilaris), a species native to Africa, particularly in tropical and subtropical areas. The nymphs of the Bagrada Bug share similar red and black coloration, although they tend to be less vibrant and iridescent. While usually associated with agricultural environments, feeding on cruciferous plants, they could also appear in gardened or forested settings.

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