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melvynyeo's avatar

Mating Stink Bugs



There were at least 10 pairs on this tree trunk with several more onlookers. :) Taken at night in Singapore forest.

Quote from…

Pentatomoidea is a superfamily of insects in the Heteroptera suborder of the Hemiptera order and, as such, share a common arrangement of sucking mouthparts.[1] They are commonly referred to as shield bugs, chust bugs, and stink bugs.

There are about 7000 species under Pentatomoidea, divided under 14 to 15 families.

Pentatomoidea are characterized by a well developed scutellum (the hardened extension of the thorax over the abdomen). It can be triangular to semi-elliptical in shape.[3] Pentatomoidea usually have antennae with five segments. The tarsi usually have two or three segments.[4]

Shield bugs have glands in their thorax between the first and second pair of legs which produce a foul smelling liquid. This liquid is used defensively to deter potential predators and is sometimes released when the bugs are handled carelessly.

The nymphs, similar to adults except smaller and without wings, also have stink glands.

The nymphs and adults have piercing mouthparts, which most use to suck sap from plants, although some eat other insects. When they group in large numbers, they can become significant pests.

Species that resemble pentatomoids are found in the superfamily Coreoidea.

Image size
1500x732px 552.64 KB
Canon EOS 5D Mark II
Shutter Speed
1/160 second
Focal Length
100 mm
ISO Speed
Date Taken
Feb 15, 2014, 1:07:31 AM
Sensor Size
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KendallFPerson's avatar
Amazing capture and incredible gallery. Thanks for sharing and allowing download on this one. You are appreciated.