Agonoscelis
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''Agonoscelis'' is a genus of
shield bug Pentatomidae is a family of insects belonging to the order Hemiptera, generally called shield bugs or stink bugs. Pentatomidae is the largest family in the superfamily Pentatomoidea, and contains around 900 genera and over 4700 species.Robert ...
s, in the monotypic tribe Agonoscelidini, that are native to the Afrotropics and Australia, but one species is established in the New World. Some species are minor or considerable pests. They have five nymphal stages, and are 8 to 12 mm long as adults. They attack (or control) weeds and herbs including horehound,
thyme Thyme () is a culinary herb consisting of the dried aerial parts of some members of the genus ''Thymus (plant), Thymus'' of flowering plants in the mint family Lamiaceae. Thymes are native to Eurasia and north Africa. Thymes have culinary, medici ...
,
flax Flax, also known as common flax or linseed, is a flowering plant, ''Linum usitatissimum'', in the family Linaceae. It is cultivated as a food and fiber crop in regions of the world with temperate climates. In 2022, France produced 75% of t ...
and
cotton Cotton (), first recorded in ancient India, is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus '' Gossypium'' in the mallow family Malvaceae. The fiber is almost pure ...
, or the developing seeds of sunflowers or cereals like
millet Millets () are a highly varied group of small-seeded grasses, widely grown around the world as cereal crops or grains for fodder and human food. Most millets belong to the tribe Paniceae. Millets are important crops in the Semi-arid climate, ...
or
sorghum ''Sorghum bicolor'', commonly called sorghum () and also known as great millet, broomcorn, guinea corn, durra, imphee, jowar, or milo, is a species in the Poaceae, grass genus ''Sorghum (genus), Sorghum'' cultivated for its grain. The grain i ...
. They may swarm on a variety of other shrubs and trees, including
coffee Coffee is a beverage brewed from roasted, ground coffee beans. Darkly colored, bitter, and slightly acidic, coffee has a stimulating effect on humans, primarily due to its caffeine content, but decaffeinated coffee is also commercially a ...
and cacao. The scent gland is located at the end of the abdomen.


Species

There are some 19 to 22 species, which include: * '' Agonoscelis erosa'' (Westwood, 1837) ** ''A. e. atropurpurea'' Schumacher, 1913 * '' Agonoscelis femoralis'' Walker, 1868 * '' Agonoscelis nubila'' F. – Flower head bug * '' Agonoscelis puberula'' Stål, 1853 – African cluster bug (established in New World) * '' Agonoscelis pubescens'' (Thunb.) – Andat bug, Sudan dura bug, Pentatomid sorghum bug, African cluster bug, syn. ''A. versicolor'' (Fabricius, 1794) * '' Agonoscelis rutila'' (Fabricius, 1775) – Horehound bug * '' Agonoscelis versicoloratus'' (Turton) – Sunflower seed bug Horehound Bug apr07 edit.jpg, ''A. rutila'' Sunflower seed bug (Agonoscelis versicoloratus).jpg, ''A. versicoloratus''


References

Pentatomidae Pentatomomorpha genera {{Pentatomoidea-stub