[{"data":1,"prerenderedAt":414},["ShallowReactive",2],{"glossary-term-\u002Fglossary\u002Fgaster":3,"glossary-all-en":86,"glossary-posts-\u002Fglossary\u002Fgaster":387},{"id":4,"title":5,"aliases":6,"body":9,"category":60,"dateModified":61,"datePublished":61,"definition":62,"description":63,"excludePhrases":64,"extension":65,"image":66,"imageAlt":67,"language":68,"meta":69,"navigation":70,"path":71,"relatedPosts":72,"relatedTerms":77,"seo":82,"sitemap":83,"stem":84,"__hash__":85},"glossary\u002Fglossary\u002Fgaster.md","Gaster",[7,8],"gasters","gaster",{"type":10,"value":11,"toc":55},"minimark",[12,20,31,34,39],[13,14,15,16,19],"p",{},"An ant's body has three main parts: the head, the middle section with the legs, and the ",[17,18,8],"strong",{},". The gaster is the big, rounded part at the back, connected to the rest of the body by the narrow waist, also called the petiole.",[13,21,22,23,26,27,30],{},"People often call it the abdomen, but that's not quite right. In ants, the first segment of the abdomen is fused to the thorax, and one or two more form the waist. The gaster is everything that comes after. Inside, you'll find the ",[17,24,25],{},"crop"," used to share food, the digestive system, the reproductive organs and, depending on the species, a ",[17,28,29],{},"stinger"," or a gland that sprays acid.",[13,32,33],{},"The gaster is very useful for ant keepers. A queen usually has a much bigger gaster than workers and males, which helps you spot her. Some species are easy to recognize by it too: Crematogaster scutellaris has a black, heart-shaped gaster that it lifts over its body when alarmed.",[35,36,38],"h2",{"id":37},"in-practice","In practice",[40,41,42,46,49,52],"ul",{},[43,44,45],"li",{},"Check a new queen's gaster: if it's large and voluminous compared to her body, she's likely fully claustral; if it's small and thin, she's probably semi-claustral.",[43,47,48],{},"A swollen, almost see-through gaster in workers just means they've filled their crops after a good meal.",[43,50,51],{},"A shrinking, very thin gaster in a founding queen can be a sign she's running out of reserves.",[43,53,54],{},"Be careful handling species that sting or spray from the gaster, like Myrmica or Formica.",{"title":56,"searchDepth":57,"depth":57,"links":58},"",2,[59],{"id":37,"depth":57,"text":38},"anatomy","2026-10-02T00:00:00Z","The rounded rear part of an ant's body, behind the waist. It holds the crop, the digestive system, the reproductive organs and, in many species, a stinger or acid gland.","What is the gaster? Learn about the rear body section of an ant, what it holds, and how a queen's gaster helps you tell if she's fully claustral.",null,"md","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002FCrematogaster_scutellaris_worker_2.jpeg","Crematogaster scutellaris worker on a rock with its heart-shaped gaster raised","en",{},true,"\u002Fglossary\u002Fgaster",[73,74,75,76],"what-to-do-after-catching-your-first-queen-ant","complete-guide-to-ant-keeping","how-to-care-for-crematogaster-scutellaris","how-to-catch-your-first-queen-ant",[78,79,80,81],"petiole","trophallaxis","claustral-founding","semi-claustral-founding",{"title":5,"description":63},{"loc":71},"glossary\u002Fgaster","VTD8memp83P_pfPhD4VSo39C7aAJ8QgbB11bdPzsr6w",[87,96,106,115,124,133,139,147,157,166,173,183,191,194,201,210,218,224,232,242,249,257,266,276,283,290,299,307,314,323,332,343,350,357,366,371,379],{"slug":88,"title":89,"definition":90,"category":91,"aliases":92,"excludePhrases":95},"acrylic-nest","Acrylic Nest","An ant nest made of clear acrylic layers stacked and screwed together to form the chambers, giving a great view of the colony and an escape-proof, easy-to-clean structure.","setup",[93,94],"acrylic nests","acrylic nest",[],{"slug":97,"title":98,"definition":99,"category":100,"aliases":101,"excludePhrases":105},"alate","Alate","A winged reproductive ant, either a virgin queen or a male, raised by a mature colony to leave the nest during the nuptial flight and mate.","colony",[102,103,104,97],"winged queens","winged ants","alates",[],{"slug":107,"title":108,"definition":109,"category":110,"aliases":111,"excludePhrases":114},"brood","Brood","All the young, developing members of an ant colony: eggs, larvae and pupae. Pupae may be bare or wrapped in a silk cocoon, depending on the species.","lifecycle",[112,113,107],"brood piles","brood pile",[],{"slug":80,"title":116,"definition":117,"category":110,"aliases":118,"excludePhrases":123},"Claustral Founding","A way of starting a colony in which the newly mated queen seals herself in a small chamber and raises her first workers without leaving to forage, living on her own body reserves.",[119,120,121,122],"fully claustral queens","claustral founding","claustral queens","fully claustral",[],{"slug":125,"title":126,"definition":127,"category":110,"aliases":128,"excludePhrases":132},"dealate","Dealate","A queen ant that has shed her wings, usually right after mating during the nuptial flight, as she gets ready to dig a chamber and found a new colony.",[129,130,131,125],"dealate queens","dealate queen","dealated",[],{"slug":134,"title":135,"definition":136,"category":110,"aliases":137,"excludePhrases":138},"diapause","Diapause","A programmed resting phase in which an ant colony slows its metabolism, the queen stops laying eggs and brood development pauses, usually triggered by the cold and short days of winter.",[134],[],{"slug":140,"title":141,"definition":142,"category":91,"aliases":143,"excludePhrases":146},"escape-prevention","Escape Prevention","The barriers and design choices that stop ants from leaving their setup, most often a slippery escape prevention oil brushed around the top of the outworld, plus tight lids and stoppers.",[144,145],"escape prevention oil","escape prevention",[],{"slug":148,"title":149,"definition":150,"category":151,"aliases":152,"excludePhrases":156},"feeder-insects","Feeder Insects","Insects and other small invertebrates, such as crickets, mealworms, roaches and fruit flies, offered to ant colonies as protein, which the queen needs to lay eggs and the larvae need to grow.","feeding",[153,154,155],"feeder insects","feeder animals","feeder insect",[],{"slug":158,"title":159,"definition":160,"category":161,"aliases":162,"excludePhrases":165},"foraging","Foraging","The search for food, water and other resources outside the nest, carried out by worker ants that collect what they find and bring it back to share with the rest of the colony.","behavior",[158,163,164],"foragers","forager",[],{"slug":167,"title":168,"definition":169,"category":91,"aliases":170,"excludePhrases":172},"formicarium","Formicarium","An artificial habitat for keeping an ant colony, usually made of a nest where the ants live and raise their brood, connected to an outworld where they find food and water.",[167,171],"formicaria",[],{"slug":174,"title":175,"definition":176,"category":110,"aliases":177,"excludePhrases":182},"founding-chamber","Founding Chamber","The small, sealed cavity a newly mated queen digs in soil, wood or under a stone, where she lays her first eggs and raises her first workers. Also called the claustral chamber.",[178,179,180,181],"claustral chambers","claustral chamber","founding chambers","founding chamber",[],{"slug":184,"title":185,"definition":186,"category":161,"aliases":187,"excludePhrases":190},"fungus-garden","Fungus Garden","A sponge-like mass of fungus that leafcutter ants grow on fresh leaf fragments inside their nest. The ants don't eat the leaves: they feed the fungus, and the fungus feeds the colony.",[188,189],"fungus gardens","fungus garden",[],{"slug":8,"title":5,"definition":62,"category":60,"aliases":192,"excludePhrases":193},[7,8],[],{"slug":195,"title":196,"definition":197,"category":161,"aliases":198,"excludePhrases":200},"granary","Granary","A nest chamber where harvester ants, like Messor barbarus, store the seeds they collect. It's kept drier than the brood chambers so the seeds don't germinate or go moldy.",[199,195],"granaries",[],{"slug":202,"title":203,"definition":204,"category":91,"aliases":205,"excludePhrases":209},"heat-cable","Heat Cable","A flexible heating wire placed under or behind part of an ant nest to keep it warm, which speeds up brood development, ideally controlled by a thermostat to avoid overheating.",[206,207,208],"heating cable","heat cables","heat cable",[],{"slug":211,"title":212,"definition":213,"category":110,"aliases":214,"excludePhrases":217},"hibernation","Hibernation","The period of winter rest that ant keepers give to colonies from temperate climates, keeping them cool for a few months so the queen and the brood can pause, as they would in the wild.",[211,215,216],"hibernating","hibernate",[],{"slug":219,"title":220,"definition":221,"category":151,"aliases":222,"excludePhrases":223},"honeydew","Honeydew","A sugary liquid excreted by aphids and other sap-sucking insects. Many ants, like Lasius niger, collect it as food and protect the aphids in return, almost like farmers with a herd.",[219],[],{"slug":225,"title":226,"definition":227,"category":151,"aliases":228,"excludePhrases":231},"liquid-feeder","Liquid Feeder","A small container placed in the outworld that holds water or sugar water and lets ants drink through tiny holes or a wick, providing a steady supply for days or weeks.",[229,230],"liquid feeders","liquid feeder",[],{"slug":233,"title":234,"definition":235,"category":100,"aliases":236,"excludePhrases":241},"major-worker","Major Worker","A large worker, usually with an oversized head and strong mandibles, found in species with workers of different sizes. Majors handle heavy jobs like cracking seeds and defense.",[237,238,239,240],"major workers","major worker","soldier ants","majors",[],{"slug":243,"title":244,"definition":245,"category":60,"aliases":246,"excludePhrases":248},"mandibles","Mandibles","The pair of jaws on the front of an ant's head, used to carry brood and food, dig, cut, crack seeds and defend the colony. Their shape varies a lot between species.",[243,247],"mandible",[],{"slug":250,"title":251,"definition":252,"category":100,"aliases":253,"excludePhrases":256},"monogyny","Monogyny","A colony structure with only one egg-laying queen. In monogyne species, colonies don't accept extra queens, and adult queens are usually aggressive toward each other.",[254,255,250],"monogynous","monogyne",[],{"slug":258,"title":259,"definition":260,"category":110,"aliases":261,"excludePhrases":265},"nanitic","Nanitic","One of the first workers raised by a founding queen. Nanitics are noticeably smaller than later workers because they grow on the limited food the queen can provide alone.",[262,263,264,258],"nanitic workers","first workers","nanitics",[],{"slug":267,"title":268,"definition":269,"category":110,"aliases":270,"excludePhrases":275},"nuptial-flight","Nuptial Flight","The mating event in which winged queens and males leave their colonies, often by the thousands, to find partners from other nests, after which the mated queens land to start new colonies.",[271,272,273,274],"nuptial flights","nuptial flight","mating flights","mating flight",[],{"slug":277,"title":278,"definition":279,"category":91,"aliases":280,"excludePhrases":282},"outworld","Outworld","The open area of a formicarium, connected to the nest, where workers go out to find food and water, drop their waste and explore, just as they would forage outside their nest in nature.",[281,277],"outworlds",[],{"slug":78,"title":284,"definition":285,"category":60,"aliases":286,"excludePhrases":289},"Petiole","The narrow waist segment between an ant's thorax and gaster. Some ants have a single petiole, while others have a second segment behind it, called the postpetiole.",[287,288,78],"postpetiole","petioles",[],{"slug":291,"title":292,"definition":293,"category":161,"aliases":294,"excludePhrases":298},"pheromone","Pheromone","A chemical signal released by an ant to communicate with other members of its species, used to mark food trails, raise the alarm, recognize nestmates and attract mates.",[295,296,297,291],"pheromone trails","pheromone trail","pheromones",[],{"slug":300,"title":301,"definition":302,"category":100,"aliases":303,"excludePhrases":306},"polygyny","Polygyny","A colony structure with more than one egg-laying queen living and working together. Polygynous species can accept several reproductive queens in the same nest.",[304,305,300],"polygynous","polygyne",[],{"slug":308,"title":309,"definition":310,"category":100,"aliases":311,"excludePhrases":313},"polymorphism","Polymorphism","The presence of workers of clearly different sizes and shapes in the same colony, such as small minor workers and large, big-headed major workers, often with different jobs.",[308,312],"polymorphic",[],{"slug":315,"title":316,"definition":317,"category":91,"aliases":318,"excludePhrases":322},"sandwich-nest","Sandwich Nest","A nest made of two transparent panels of glass or acrylic held close together, with a thin layer of sand or soil in between where the ants dig their own tunnels and chambers in plain view.",[319,320,321],"sandwich ant nest","sandwich nests","sandwich nest",[],{"slug":81,"title":324,"definition":325,"category":110,"aliases":326,"excludePhrases":331},"Semi-Claustral Founding","A way of starting a colony in which the newly mated queen cannot rely only on her body reserves and has to leave her chamber to forage for food while raising her first workers.",[327,328,329,330],"semi-claustral founding","semi-claustral queens","semi-claustral queen","semi-claustral",[],{"slug":333,"title":334,"definition":335,"category":161,"aliases":336,"excludePhrases":342},"social-parasitism","Social Parasitism","A relationship in which one ant species depends on the colony of another to survive, for example a parasitic queen that takes over a host colony and lets its workers raise her brood.",[337,338,339,340,341],"social parasitism","social parasites","slavemaker ants","parasitic queen","parasitic ants",[],{"slug":344,"title":345,"definition":346,"category":91,"aliases":347,"excludePhrases":349},"substrate","Substrate","The loose material, such as sand, soil, clay or bark, that covers the floor of an outworld or fills a sandwich or naturalistic nest, giving ants a surface to walk on, dig and keep humid.",[348,344],"substrates",[],{"slug":351,"title":352,"definition":353,"category":100,"aliases":354,"excludePhrases":356},"supercolony","Supercolony","A huge network of connected ant nests with many queens, whose workers treat each other as members of one family instead of fighting, sometimes stretching across entire regions.",[355,351],"supercolonies",[],{"slug":358,"title":359,"definition":360,"category":91,"aliases":361,"excludePhrases":365},"test-tube-setup","Test Tube Setup","A simple founding nest made from a test tube with water at the bottom, held back by a cotton plug, giving a queen and her young colony a small, dark and humid chamber.",[362,363,364],"test tube setups","test tube setup","test tube nest",[],{"slug":79,"title":367,"definition":368,"category":161,"aliases":369,"excludePhrases":370},"Trophallaxis","The mouth-to-mouth sharing of liquid food between ants. Foragers store food in their crop, or social stomach, and pass it to nestmates, the queen and larvae.",[79],[],{"slug":372,"title":373,"definition":374,"category":91,"aliases":375,"excludePhrases":378},"tubs-and-tubes","Tubs and Tubes","A cheap and simple setup in which one or more test tube nests are placed inside an open plastic tub that acts as the outworld, protected by an escape prevention barrier.",[376,377],"tubs and tubes setup","tubs and tubes",[],{"slug":380,"title":381,"definition":382,"category":91,"aliases":383,"excludePhrases":386},"ytong-nest","Ytong Nest","An ant nest carved into a block of Ytong, a light and porous aerated concrete that holds moisture well and is easy to sculpt, usually closed with a clear front panel.",[384,385],"ytong nests","ytong nest",[],[388,395,401,408],{"id":389,"title":390,"description":391,"image":392,"categoryText":393,"path":394},"blog\u002Fwhat-to-do-after-catching-your-first-queen-ant.md","What To Do After Catching Your First Queen Ant!","In this short guide, you’re going to learn what steps you need to take after catching your very first queen ant! Let's get into it!","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbrumaants_miniatura_what_to_do_after_catching_a_queen_ant.png","Ant Keeping Basics","\u002Fwhat-to-do-after-catching-your-first-queen-ant",{"id":396,"title":397,"description":398,"image":399,"categoryText":393,"path":400},"blog\u002Fcomplete-guide-to-ant-keeping.md","Complete Guide To Ant Keeping","Learn everything you need to know to start an ant colony from scratch! From a newly mated queen ant to a large and prosperous ant empire!","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbrumaants_miniatura_complete_guide_to_ant_keeping.png","\u002Fcomplete-guide-to-ant-keeping",{"id":402,"title":403,"description":404,"image":405,"categoryText":406,"path":407},"blog\u002Fhow-to-care-for-crematogaster-scutellaris.md","How To Care for Crematogaster scutellaris","In this guide you will learn how to care for Crematogaster scutellaris! Temperature, humidity, food, hibernation, nest type... and much more!","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_crematogaster_scutellaris_care_guide.png","Care Guides","\u002Fhow-to-care-for-crematogaster-scutellaris",{"id":409,"title":410,"description":411,"image":412,"categoryText":393,"path":413},"blog\u002Fhow-to-catch-your-first-queen-ant.md","How To Catch Your First Queen Ant!","In this short article, we’re going to learn how to catch our very first queen ant, the mother of all the members of the colony!","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbrumaants_miniatura_catch_a_queen_ant.png","\u002Fhow-to-catch-your-first-queen-ant",1791272783073]