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Yellow Assassin Bug (nymph)

Cosmolestes picticeps


The nymph shown here is very small, but I did not want to get my fingers too close to it (Reduviids can give a nasty bite if stressed). So, I did not manage to measure it, but the leaf of the plant was 5 cm. long. Please don't ask me about the very tiny insect on the same leaf. I could only identify that as a bunch of pixels with legs :-)


This Cosmolestes picticeps (nymph) was spotted in our backyard on a Rose balsam (Impatiens balsamina), locally known, in the Philippines, as Kamantigi. Impatiens balsamina is a native plant of India, but is now cultivated in all warm countries. Plant information from -


I must mention that I have been unable, so far, to find a reference for the presence of this bug in the Philippines. The distribution, in the sites that I have found, is shown as Malay Peninsular, Java, Sumatra, Borneo. Obviously, the Philippines is right in the middle of the countries mentioned and it seems likely that this bug is here, but might not yet be documented. I will check further and if I cannot find a reliable source, I will revise my identification.

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John B.
Spotted by
John B.

Palauig, Central Luzon, Philippines

Spotted on Jan 19, 2024
Submitted on Jan 19, 2024

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