(
Dalsira costalis) There are about 300 on the species in SA and are mostly plant eaters.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqU0l9xle8VkxuVMXFpC-UqR9_aiAMfJGWSBLIVO1GzBMa98garZtvvBYw74oGRZgw-7z_VMrkWutEII4YmIYBFe96kqkkNqm5pgCXWENZlPFGPVDvqMwHDRhGgu30_bU2qjMqzaH6mo0V/s320/101_8199a.jpg)
They have well developed stink glands which open on the top of the abdomen in nymphs.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoR5NdsrInOe04uD8I6dO7cWb47dYJYupPWN-zqf1CGKWzbct2duLA1YVd0u7vw7xWcUEXjHhEIt5vM5LyQK5wwfYTSga8bgYceAcRnBqSiDLTLNU6NJuvDrfiSofJZJrn11U5B4lwooOy/s320/IMG_10464a.JPG)
Stink bugs are distinguished from other bugs by the large triangular scutellum (shield) which is longer than half the length of the abdomen.
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