恙蟎科（學名：Trombiculidae；(）是蛛形綱蜱蟎亞綱蟎形總目恙蟎目[3][4]（Catalogue of Life作前氣門目[5]）恙蟎總科之下的一個科，常見於農作物[6]。這些物種的幼蟲階段經常都咬其宿主，造成過敏反應及皮膚炎。
以下的Cladogram由來自Catalogue of Life[5]和Dyntaxa[3]的數據而成，包括下列三個亞科：
| Trombiculidae
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Hirsutiella
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Neotrombicula
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Trombicula
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按Catalogue of Life，本科之下尚有第四個亞科[5]。
本科包含下列各屬：
- Acomatacarus
- Anahuacia
- 囊棒螨属 Ascoschoengastia
- Axiogastia
- 七斑甲恙螨属 Blankaartia
- Brunehaldia
- 甲梯螨属 Chatia
- 钳齿恙螨属 Cheladonta
- 珠螨属 Doloisia
- Euschoengastia
- 真恙螨属 Eutrombicula，真秋坪属
- Gahrliepia
- Guntherana
- Guntheria
- Hannemania
- Heaslipia
- Hirsutiella
- Kayella
- 鉤恙蟎屬 Leptotrombidium，纤恙螨属
- Microtrombicula
- Miyatrombicula
- 新棒恙螨属 Neoschoengastia，新许恙螨属
- 新恙蟎屬 Neotrombicula
- 新恙蟎屬 Novotrombicula
- Ornithogastia
- Parasecia
- Pseudoschoengastia
- Schoengastiella
- Schoutedenichia
- Speleocola
- 恙蟎屬 Trombicula
- Whartonia
Shatrov, Andrey B.; Kudryashova, Naina I. Taxonomic ranking of major trombiculid subtaxa with remarks on the evolution of host-parasite relationships (Acariformes: Parasitengona: Trombiculidae). Annales Zoologici (Warsaw). 2008, 58 (2): 279–287. doi:10.3161/000345408X326591. Zhang, Zhi-Qiang; Fan, Qing-Hai; Pesic, Vladimir; Smit, Harry; Bochkov, Andre V.; Khaustov, A. A.; Baker, Anne; Wohltmann, Andreas; Wen, Tinghuan; Amrine, James W.; Beron, P.; Lin, Jianzhen; Gabrys, Grzegorz; Husband, Robert. Order Trombidiformes Reuter, 1909 (PDF). Zhang, Z.-Q. (编). Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness. Magnolia Press. 2011: 129–147 [2016-05-31]. ISBN 9781869778491. （原始内容存档于2015-12-22） （英语）. Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (编). trombiculidae. Species 2000 & ITIS Catalogue of Life: 2014 Annual Checklist.. Reading, UK: Species 2000. 2014 [2016-12-07] （英语）. G. A. Smith, V. Sharma, J. F. Knapp & B. J. Shields. The summer penile syndrome: seasonal acute hypersensitivity reaction caused by chigger bites on the penis. Pediatric Emergency Care. 1998, 14 (2): 116–118. PMID 9583392. doi:10.1097/00006565-199804000-00007.
