{"id":15343,"date":"2024-10-02T14:29:37","date_gmt":"2024-10-02T19:29:37","guid":{"rendered":"https:\/\/uwm.edu\/field-station\/?p=15343"},"modified":"2024-10-02T14:29:39","modified_gmt":"2024-10-02T19:29:39","slug":"rough-stink-bug","status":"publish","type":"post","link":"https:\/\/uwm.edu\/field-station\/bug-of-the-week\/rough-stink-bug\/","title":{"rendered":"Rough Stink Bug"},"content":{"rendered":"\n

Greetings, BugFans,<\/p>\n\n\n\n

The BugLady has a thing for stink bugs.\u00a0They\u2019re like bumble bees and water lilies \u2013 she can\u2019t walk past one without taking its picture.\u00a0She especially likes stink bugs in the genus\u00a0Brochymena<\/em>, the Rough stink bugs, which look like walking fossils. But before we talk about the\u00a0Brochymena<\/em>, which have made a few brief appearances in BOTW, here\u2019s a brief Stink Bug 101:<\/p>\n\n\n\n

\"bug<\/a><\/figure>\n\n\n\n

Stink bugs are in the family Pentatomidae, which means \u201cfive sections\u201d and refers to the number of segments in the antennae.\u00a0In the UK, they\u2019re called shield bugs, a name that is applied here casually to members of the Pentatomidae, and more specifically to members of a different family.\u00a0About 220 of the globe\u2019s 5,000 stink bug species live in North America.<\/p>\n\n\n\n

\"bugs<\/a><\/figure>\n\n\n\n

\u201cStink bug\u201d because they are chemically defended – when alarmed, they can release a lingering odor that may be unpleasant (or not), noxious, or even toxic (think \u201ccyanide\u201d).\u00a0As a defense against predators, the odor is imperfect.\u00a0Most birds have no sense of smell, but a smaller predator that got a face full of chemical spray would be deterred, and some parasitic wasps and flies actually locate stink bugs by their odor.<\/p>\n\n\n\n

And, of course, common names being what they are, the name can and is applied to any unrelated insect that has an odor.<\/p>\n\n\n\n

\"bugs<\/a><\/figure>\n\n\n\n

Many stink bugs are plant feeders (some damage agricultural crops), and others are carnivores that help to control unwanted insects. And some, in cuisines around the world, are prized for the spiciness they add to a dish. All feed by poking their piercing-sucking mouthparts into their food of choice and injecting a saliva that predigests tissue so it can be siphoned up.<\/p>\n\n\n\n

Most stink bugs come in utilitarian greens, grays, or browns, but some come in pretty flashy colors<\/a>, especially as nymphs<\/a>.<\/p>\n\n\n\n

A few species of stink bugs exhibit maternal care<\/a>.\u00a0 \u00a0<\/p>\n\n\n\n

\"bug<\/a><\/figure>\n\n\n\n

Rough\/Tree\/Arboreal Stink Bugs –\u00a0Brochymena<\/em>\u00a0– are one genus (with 17 species) of one tribe (Halvini) of one subfamily (Pentatominae) of the stink bug family.\u00a0Based on images they\u2019ve received from their community,\u00a0bugguide.net\u00a0shows the\u00a0Brochymena<\/em>\u00a0occurring from sea to shining sea, except North Dakota and Manitoba, and their range extends south into Panama.\u00a0They\u2019re typically found on trees and shrubs.\u00a0 \u00a0<\/p>\n\n\n\n

They\u2019re typically found on trees and shrubs, but their cryptic colors and textures can make them difficult to find because they look like a bit of bark or lichen on six legs.\u00a0At about 5\/8\u201d, they\u2019re large for stink bugs.\u00a0<\/p>\n\n\n\n

\"bug<\/a><\/figure>\n\n\n\n

For the\u00a0Brochymena<\/em>, everything was going swimmingly until 1998, when a new stink bug came to town.\u00a0It was the Brown marmorated stink bug<\/a>, which is a huge pest in orchards and agricultural fields and, in the winter, in homes.\u00a0The two look similar \u2013 the BMSB has wide pale bands on its antennae and one white band on its hind legs; while the\u00a0Brochymena<\/em>\u00a0have two white bands on their hind legs, a protruding, square\/pointy face with antennae noticeably in front of their eyes, and toothed \u201cshoulder pads\u201d that look like a bit of cog wheel.\u00a0If you see a lot of them, they\u2019re BMSBs.\u00a0<\/p>\n\n\n\n

There\u2019s some discussion about their diet.\u00a0Bugguide.net says that they are \u201cPhytophagous\u00a0<\/em>[plant-eating]\u00a0(some reports of predation).<\/em>\u201d\u00a0They\u2019re known to feed on the sap and leaves and seeds of many species of trees and shrubs including ash, willow, and box elder, with brief, opportunistic forays into carnivory.\u00a0Unlike many other species of stink bug, they\u2019re not considered harmful, and because they\u2019re not considered pests, they haven\u2019t been exhaustively studied.\u00a0Other sources say that their forays into carnivory are more than occasional, and that they eat caterpillars, leaf beetle larvae, aphids, and other soft-bodied insects that they come across.\u00a0<\/p>\n\n\n\n

A Rough stink bug\u2019s \u201cstink\u201d \u2013 said by one source to smell like maraschino cherries, and by another, like almonds \u2013 may not deter ants, tachinid flies, sand wasps, and a variety of birds (especially vireos, says one source). Eric Eaton, in his Bug Eric blog, writes that \u201cGiven their cryptic nature, it amazes me that any other creature could find them and make a meal out of them.<\/em>\u201d\u00a0He continues, \u201cFeather-legged flies in the genus Trichopoda glue their eggs to the top of the stink bug\u2019s body, where the insect cannot reach to groom them off.\u00a0The fly larva that hatches bores through the exoskeleton of the host and feeds as an internal parasite, usually killing the bug eventually.<\/em>\u201d\u00a0<\/p>\n\n\n\n

\"bug<\/a><\/figure>\n\n\n\n

Adult\u00a0Brochymena<\/em>\u00a0overwinter, sheltered in leaf litter, mulch, bark crevices or logs (some pick stacks of firewood, and are then brought inside in winter), and they\u2019re sometimes seen out and about on warm winter days.\u00a0They emerge to mate in late spring, and females lay eggs in clusters of 10 to 20 on twigs.\u00a0 Adults die by the end of June, and nymphs are found throughout summer.\u00a0There\u2019s only one brood a year.<\/p>\n\n\n\n

Isn\u2019t this \u201cprobably unnamed<\/em>\u201d Arizona species a beauty<\/a>!<\/p>\n\n\n\n

The BugLady<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Greetings, BugFans, The BugLady has a thing for stink bugs.\u00a0They\u2019re like bumble bees and water lilies \u2013 she can\u2019t walk past one without taking its picture.\u00a0She especially likes stink bugs in the genus\u00a0Brochymena, the Rough stink bugs, which look like …<\/p>\n","protected":false},"author":32664,"featured_media":15344,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","uwm_wg_additional_authors":[]},"categories":[8],"tags":[],"class_list":["post-15343","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bug-of-the-week"],"yoast_head":"\nField Station<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uwm.edu\/field-station\/bug-of-the-week\/rough-stink-bug\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rough Stink Bug\" \/>\n<meta property=\"og:description\" content=\"Greetings, BugFans, The BugLady has a thing for stink bugs.\u00a0They\u2019re like bumble bees and water lilies \u2013 she can\u2019t walk past one without taking its picture.\u00a0She especially likes stink bugs in the genus\u00a0Brochymena, the Rough stink bugs, which look like …\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uwm.edu\/field-station\/bug-of-the-week\/rough-stink-bug\/\" \/>\n<meta property=\"og:site_name\" content=\"Field Station\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-02T19:29:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-10-02T19:29:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/uwm.edu\/field-station\/wp-content\/uploads\/sites\/380\/2024\/10\/brochymena16-1rz.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/uwm.edu\/field-station\/bug-of-the-week\/rough-stink-bug\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/uwm.edu\/field-station\/bug-of-the-week\/rough-stink-bug\/\"},\"author\":{\"name\":\"\",\"@id\":\"\"},\"headline\":\"Rough Stink Bug\",\"datePublished\":\"2024-10-02T19:29:37+00:00\",\"dateModified\":\"2024-10-02T19:29:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/uwm.edu\/field-station\/bug-of-the-week\/rough-stink-bug\/\"},\"wordCount\":840,\"image\":{\"@id\":\"https:\/\/uwm.edu\/field-station\/bug-of-the-week\/rough-stink-bug\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/uwm.edu\/field-station\/wp-content\/uploads\/sites\/380\/2024\/10\/brochymena16-1rz.webp\",\"articleSection\":[\"Bug of the Week\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/uwm.edu\/field-station\/bug-of-the-week\/rough-stink-bug\/\",\"url\":\"https:\/\/uwm.edu\/field-station\/bug-of-the-week\/rough-stink-bug\/\",\"name\":\"Rough Stink Bug - 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