{"product_id":"pogonomyrmex-occidentalis-western-harvester-ant-queen-colony","title":"Pogonomyrmex occidentalis – Western Harvester Ant Queen \/ Colony","description":"\u003cp data-start=\"25\" data-end=\"101\"\u003e\u003cstrong data-start=\"25\" data-end=\"101\"\u003eAbout \u003cem data-start=\"33\" data-end=\"60\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e – Western Harvester Ant Queen \/ Colony\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"103\" data-end=\"422\"\u003e\u003cem data-start=\"103\" data-end=\"130\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e, commonly known as the Western Harvester Ant, is a large, active, seed-harvesting ant species native to western North America. Known for their bold foraging behaviour, impressive seed storage, and strong colony activity, this species is one of the most unique display ants available to keep.\u003c\/p\u003e\n\u003cp data-start=\"424\" data-end=\"782\"\u003eThis is a warm-loving, dry-to-semi-arid species that thrives when provided with heat, a proper humidity gradient, and consistent access to seeds. Unlike many common beginner ants, \u003cem data-start=\"604\" data-end=\"631\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e has a more specialized care style and can sting, making it best suited for keepers who are comfortable maintaining heat, hydration, and secure setups.\u003c\/p\u003e\n\u003cp data-start=\"784\" data-end=\"798\"\u003e\u003cstrong data-start=\"784\" data-end=\"798\"\u003eDifficulty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"800\" data-end=\"813\"\u003eIntermediate.\u003c\/p\u003e\n\u003cp data-start=\"815\" data-end=\"1084\"\u003e\u003cem data-start=\"815\" data-end=\"842\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e is not difficult in the same way as fragile or slow-growing species, but it does require specific conditions. They need warmth, reliable hydration, dry seed-storage space, and careful containment due to their defensive nature and sting risk.\u003c\/p\u003e\n\u003cp data-start=\"1086\" data-end=\"1098\"\u003e\u003cstrong data-start=\"1086\" data-end=\"1098\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1100\" data-end=\"1397\"\u003e\u003cstrong data-start=\"1100\" data-end=\"1116\"\u003eCommon name:\u003c\/strong\u003e Western Harvester Ant\u003cbr data-start=\"1138\" data-end=\"1141\"\u003e\u003cstrong data-start=\"1141\" data-end=\"1161\"\u003eScientific name:\u003c\/strong\u003e \u003cem data-start=\"1162\" data-end=\"1189\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e\u003cbr data-start=\"1189\" data-end=\"1192\"\u003e\u003cstrong data-start=\"1192\" data-end=\"1209\"\u003eNative range:\u003c\/strong\u003e Western North America\u003cbr data-start=\"1231\" data-end=\"1234\"\u003e\u003cstrong data-start=\"1234\" data-end=\"1250\"\u003eColony type:\u003c\/strong\u003e Monogynous long-term\u003cbr data-start=\"1271\" data-end=\"1274\"\u003e\u003cstrong data-start=\"1274\" data-end=\"1291\"\u003ePrimary diet:\u003c\/strong\u003e Seeds, water, and insect protein\u003cbr data-start=\"1324\" data-end=\"1327\"\u003e\u003cstrong data-start=\"1327\" data-end=\"1346\"\u003eActivity level:\u003c\/strong\u003e High\u003cbr data-start=\"1351\" data-end=\"1354\"\u003e\u003cstrong data-start=\"1354\" data-end=\"1374\"\u003eBest suited for:\u003c\/strong\u003e Intermediate keepers\u003c\/p\u003e\n\u003cp data-start=\"1399\" data-end=\"1420\"\u003e\u003cstrong data-start=\"1399\" data-end=\"1420\"\u003eSpecies Behaviour\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1422\" data-end=\"1641\"\u003e\u003cem data-start=\"1422\" data-end=\"1449\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e is an active, highly visual harvester ant species. Workers collect seeds, move food through the nest, organize storage areas, and maintain busy foraging trails once the colony is established.\u003c\/p\u003e\n\u003cp data-start=\"1643\" data-end=\"1930\"\u003eThis species is especially enjoyable for keepers who want a colony with constant visible activity. Instead of relying mainly on liquid sugars like many other ants, Western Harvester Ants are strongly seed-focused and will store dry food inside the nest or outworld when conditions allow.\u003c\/p\u003e\n\u003cp data-start=\"1932\" data-end=\"2127\"\u003eThey are also a defensive species. Workers may bite or sting when disturbed, so they should not be handled directly. All maintenance should be done calmly, carefully, and with secure containment.\u003c\/p\u003e\n\u003cp data-start=\"2129\" data-end=\"2137\"\u003e\u003cstrong data-start=\"2129\" data-end=\"2137\"\u003eDiet\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2139\" data-end=\"2409\"\u003eSeeds should make up the core of the diet for \u003cem data-start=\"2185\" data-end=\"2212\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e. Small seeds such as grass seed, dandelion seed, bird seed, and crushed seed mixes are commonly accepted. Larger seeds should be cracked or crushed so smaller workers can process them more easily.\u003c\/p\u003e\n\u003cp data-start=\"2411\" data-end=\"2614\"\u003eThey should also be provided with constant access to clean water and occasional insect protein, such as pre-killed feeder insects. Protein is especially important for brood development and colony growth.\u003c\/p\u003e\n\u003cp data-start=\"2616\" data-end=\"2883\"\u003eLiquid sugars may be accepted less consistently than with many other ant species. Some colonies will take sugar water or nectar, while others may cover liquid feeders with substrate or ignore them. Seeds remain the most important carbohydrate source for this species.\u003c\/p\u003e\n\u003cp data-start=\"2885\" data-end=\"2902\"\u003e\u003cstrong data-start=\"2885\" data-end=\"2902\"\u003eFounding Type\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2904\" data-end=\"3168\"\u003e\u003cem data-start=\"2904\" data-end=\"2931\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e founding is best treated as feeding-assisted rather than a strict no-food founding setup. Queens may raise brood in a test tube setup, but offering a few small seeds during founding can be beneficial, especially once larvae are present.\u003c\/p\u003e\n\u003cp data-start=\"3170\" data-end=\"3379\"\u003eA founding queen should be kept warm, dark, and undisturbed, with access to hydration and a small amount of suitable seed. Avoid overfeeding during founding, as excess food can create mold or stress the queen.\u003c\/p\u003e\n\u003cp data-start=\"3381\" data-end=\"3401\"\u003e\u003cstrong data-start=\"3381\" data-end=\"3401\"\u003eColony Structure\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3403\" data-end=\"3520\"\u003e\u003cem data-start=\"3403\" data-end=\"3430\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e should be treated as a monogynous species long-term, meaning one queen per mature colony.\u003c\/p\u003e\n\u003cp data-start=\"3522\" data-end=\"3724\"\u003eQueens may sometimes be found or started near other queens in certain situations, but for captive keeping, this species should be managed as a one-queen colony to avoid future aggression or instability.\u003c\/p\u003e\n\u003cp data-start=\"3726\" data-end=\"3751\"\u003e\u003cstrong data-start=\"3726\" data-end=\"3751\"\u003eQueen \u0026amp; Worker Sizing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3753\" data-end=\"3951\"\u003e\u003cstrong data-start=\"3753\" data-end=\"3768\"\u003eQueen size:\u003c\/strong\u003e Approximately 11–14 mm\u003cbr data-start=\"3791\" data-end=\"3794\"\u003e\u003cstrong data-start=\"3794\" data-end=\"3810\"\u003eWorker size:\u003c\/strong\u003e Approximately 6.5–10 mm\u003cbr data-start=\"3834\" data-end=\"3837\"\u003e\u003cstrong data-start=\"3837\" data-end=\"3848\"\u003eColour:\u003c\/strong\u003e Usually red-brown to yellow-brown tones, depending on worker age, lighting, and individual variation\u003c\/p\u003e\n\u003cp data-start=\"3953\" data-end=\"3984\"\u003e\u003cstrong data-start=\"3953\" data-end=\"3984\"\u003eGrowth \/ Mature Colony Size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3986\" data-end=\"4220\"\u003eWith proper heat, food, and hydration, \u003cem data-start=\"4025\" data-end=\"4052\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e can grow into a large and impressive colony. Growth can become strong once the first workers are established and the colony has consistent access to seeds and protein.\u003c\/p\u003e\n\u003cp data-start=\"4222\" data-end=\"4373\"\u003eMature colonies can eventually reach thousands of workers, making this species better suited for keepers who are prepared to upgrade housing over time.\u003c\/p\u003e\n\u003cp data-start=\"4375\" data-end=\"4401\"\u003e\u003cstrong data-start=\"4375\" data-end=\"4401\"\u003eDiapause \/ Hibernation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"4403\" data-end=\"4627\"\u003e\u003cem data-start=\"4403\" data-end=\"4430\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e does not require the same deep cold diapause as many Canadian temperate ant species. Many keepers maintain them warm year-round, especially when the colony is feeding and producing brood normally.\u003c\/p\u003e\n\u003cp data-start=\"4629\" data-end=\"4809\"\u003eIf brood production naturally slows, a mild seasonal cool period around 15–18°C for 2–3 months can be used. Avoid sudden temperature drops and do not chill the colony aggressively.\u003c\/p\u003e\n\u003cp data-start=\"4811\" data-end=\"4837\"\u003e\u003cstrong data-start=\"4811\" data-end=\"4837\"\u003eTemperature \u0026amp; Humidity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"4839\" data-end=\"5006\"\u003e\u003cstrong data-start=\"4839\" data-end=\"4860\"\u003eNest temperature:\u003c\/strong\u003e Approximately 26–33°C during active growth\u003cbr data-start=\"4903\" data-end=\"4906\"\u003e\u003cstrong data-start=\"4906\" data-end=\"4931\"\u003eOutworld temperature:\u003c\/strong\u003e Approximately 22–30°C\u003cbr data-start=\"4953\" data-end=\"4956\"\u003e\u003cstrong data-start=\"4956\" data-end=\"4969\"\u003eHumidity:\u003c\/strong\u003e Provide a strong humidity gradient\u003c\/p\u003e\n\u003cp data-start=\"5008\" data-end=\"5209\"\u003eThis species benefits from a warm nest with a humid brood zone and a drier area for seed storage. The brood should have access to moisture, while seeds should be kept in a dry area to reduce mold risk.\u003c\/p\u003e\n\u003cp data-start=\"5211\" data-end=\"5388\"\u003eHeating only part of the nest is recommended so the colony can choose its preferred temperature zone. Avoid overheating the entire setup, and always provide access to hydration.\u003c\/p\u003e\n\u003cp data-start=\"5390\" data-end=\"5411\"\u003e\u003cstrong data-start=\"5390\" data-end=\"5411\"\u003eRecommended Setup\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"5413\" data-end=\"5681\"\u003e\u003cem data-start=\"5413\" data-end=\"5440\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e does best in secure, non-wood formicariums with reliable hydration and room for foraging. QNC plaster nests and hydrated 3D-printed nests are good options because they allow moisture to be provided while still leaving drier zones available.\u003c\/p\u003e\n\u003cp data-start=\"5683\" data-end=\"5875\"\u003eA connected outworld is recommended once the colony has workers. The outworld should include dry space for seed storage, easy access to water, and enough room for the ants to forage naturally.\u003c\/p\u003e\n\u003cp data-start=\"5877\" data-end=\"6005\"\u003eAvoid setups that are too small long-term, as this species can become very active and may grow quickly when heated and fed well.\u003c\/p\u003e\n\u003cp data-start=\"6007\" data-end=\"6019\"\u003e\u003cstrong data-start=\"6007\" data-end=\"6019\"\u003eBest For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"6021\" data-end=\"6078\"\u003eKeepers who want an active, highly visible display colony\u003c\/p\u003e\n\u003cp data-start=\"6080\" data-end=\"6133\"\u003eIntermediate ant keepers ready for heat-assisted care\u003c\/p\u003e\n\u003cp data-start=\"6135\" data-end=\"6182\"\u003eKeepers interested in seed-harvesting behaviour\u003c\/p\u003e\n\u003cp data-start=\"6184\" data-end=\"6245\"\u003eNaturalistic or desert-style setups with controlled hydration\u003c\/p\u003e\n\u003cp data-start=\"6247\" data-end=\"6331\"\u003ePeople looking for a bold, unique species different from standard sugar-feeding ants\u003c\/p\u003e\n\u003cp data-start=\"6333\" data-end=\"6352\"\u003e\u003cstrong data-start=\"6333\" data-end=\"6352\"\u003eImportant Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"6354\" data-end=\"6412\"\u003eThis species can sting and should not be handled directly.\u003c\/p\u003e\n\u003cp data-start=\"6414\" data-end=\"6504\"\u003eSeeds are a core part of their diet and should always be available in appropriate amounts.\u003c\/p\u003e\n\u003cp data-start=\"6506\" data-end=\"6584\"\u003eProvide both humid and dry areas so brood and seed storage needs are both met.\u003c\/p\u003e\n\u003cp data-start=\"6586\" data-end=\"6644\"\u003eDo not keep the entire nest wet, as stored seeds can mold.\u003c\/p\u003e\n\u003cp data-start=\"6646\" data-end=\"6724\"\u003eDo not keep the entire nest dry, as brood and workers still require hydration.\u003c\/p\u003e\n\u003cp data-start=\"6726\" data-end=\"6783\"\u003eUse secure containment and perform maintenance carefully.\u003c\/p\u003e\n\u003cp data-start=\"6785\" data-end=\"6822\"\u003eDo not release captive ants outdoors.\u003c\/p\u003e\n\u003cp data-start=\"6824\" data-end=\"6843\"\u003e\u003cstrong data-start=\"6824\" data-end=\"6843\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"6845\" data-end=\"6921\"\u003e1× \u003cem data-start=\"6848\" data-end=\"6875\"\u003ePogonomyrmex occidentalis\u003c\/em\u003e queen or colony depending on selected variant\u003c\/p\u003e\n\u003cp data-start=\"6923\" data-end=\"6979\"\u003e1× 16 × 125 mm hydrated test tube setup with cotton plug\u003c\/p\u003e\n\u003cp data-start=\"6981\" data-end=\"7020\"\u003eProtective bubble wrapping for shipping\u003c\/p\u003e\n\u003cp data-start=\"7022\" data-end=\"7187\"\u003e\u003cstrong data-start=\"7022\" data-end=\"7039\"\u003ePhoto credit:\u003c\/strong\u003e Big thank you to daughterdad and froggy143 for the ant photos featured here, with images used in accordance with their listed iNaturalist licenses.\u003c\/p\u003e","brand":"Queens'N'Colonies","offers":[{"title":"Queen (with 1-5 workers)","offer_id":51917022363924,"sku":null,"price":88.95,"currency_code":"CAD","in_stock":false},{"title":"Queen (with 5-10 workers)","offer_id":51917022396692,"sku":null,"price":109.95,"currency_code":"CAD","in_stock":false},{"title":"Queen (with 10-25 workers)","offer_id":51917022429460,"sku":null,"price":119.95,"currency_code":"CAD","in_stock":false},{"title":"Queen (with 25-50 workers)","offer_id":51917022462228,"sku":null,"price":169.95,"currency_code":"CAD","in_stock":false},{"title":"Queen (with 50-100 workers)","offer_id":51917022494996,"sku":null,"price":180.0,"currency_code":"CAD","in_stock":false},{"title":"Queen (with 100-250 workers)","offer_id":51917022527764,"sku":null,"price":379.47,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/5760\/1812\/files\/ChatGPT_Image_Jan_27_2026_08_18_27_PM.png?v=1780592776","url":"https:\/\/www.queensncolonies.com\/products\/pogonomyrmex-occidentalis-western-harvester-ant-queen-colony","provider":"Queens'N'Colonies","version":"1.0","type":"link"}