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True Bugs of Zihuatanejo

SUBORDER HETEROPTERA

-Animals (Kingdom Animalia)

-Arthropods (Phylum Arthropoda)

-Hexapods (Subphylum Hexapoda)

-Insects (Class Insecta)

-Winged and Once-winged Insects (Subclass Pterygota)

-​True Bugs, Hoppers, Aphids, and Allies (Order Hemiptera)

-True Bugs (Suborder Heteroptera)​

-Pentatomomorph Bugs (Infraorder Pentatomomorpha)

-Superfamily Pentatomoidea​​

-Stink Bugs (Family Pentatomoidae)​​

-Subfamily Pentatominae

-Tribe Halyini

-Rough Stink Bugs (Genus Brochymena)

-Rough Stink Bug (Brochymena sulcata)


Brochymena sulcata is a species of stink bug in the family Pentatomidae, commonly referred to as a rough stink bug. Its coloration is usually mottled grey, brown, or bark-like, providing excellent camouflage against tree trunks and branches. The surface of the body appears rough or textured, with subtle ridges and small spines along the margins of the pronotum (“shoulders”). Like other pentatomids, Brochymena sulcata feeds using piercing-sucking mouthparts. It primarily feeds on plant sap from trees and shrubs but may also opportunistically feed on other insects. When disturbed, it can release a characteristic odour from scent glands as a defensive mechanism.

Rough Stink Bug

Brochymena sulcata

Diet

  • Adults: Feed by piercing plant tissues with their straw-like mouthparts and sucking plant sap from leaves, stems, buds and developing fruits.

  • Nymphs: Also feed on plant juices and generally remain associated with suitable host plants throughout their development.

Range

  • Acanthocephala alata is a leaf-footed bug (Coreidae) in the subfamily Coreinae, tribe Acanthocephalini, genus Acanthocephala.

  • The species occurs in Mexico and Central America, particularly in tropical and subtropical environments.

  • It is occasionally sighted in Zihua, where suitable tropical vegetation provides habitat.

  • Its relatively large size makes it conspicuous when encountered, although its brown colouration can provide excellent camouflage among branches and dried vegetation.

Habitat

  • Found in tropical dry forest, tropical deciduous forest, woodland, scrub, forest edges, gardens and agricultural areas.

  • Adults and nymphs are usually found on shrubs, vines and trees, particularly where young shoots, flowers or developing fruits are present.

  • In Zihua, check stems and branches as well as leaves, since these bugs can remain motionless and blend into the vegetation.

  • Adults may also occasionally be attracted to lights at night.

Size

  • Adult length: approximately 15–25 mm (0.6–1.0 in).

  • Body elongated and robust, with the characteristic expanded hind tibiae of leaf-footed bugs.

  • Generally brown, reddish-brown or dark brown, sometimes with contrasting lighter markings.

  • The head and thorax bear prominent spines and angular projections, giving Acanthocephala its distinctive “spine-headed” appearance.

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