齒股蠅屬
齒股蠅屬（學名：）是家蠅科之下一個雙翅目昆蟲的属[2]。雖然幾乎全球都可見到本屬物種的踪影，但在較溫暖的氣候更常見。在夏季，牠們時常會在糞便上出現，在家畜的排遺附近很常見。本屬已知物種有超過130種，當中最常見的為Hydrotaea aenescens[3]。
齒股蠅屬 | |
|---|---|
 | |
| Female Hydrotaea diabolus | |
科学分类  | |
| 界： | 动物界 Animalia |
| 门： | 节肢动物门 Arthropoda |
| 纲： | 昆虫纲 Insecta |
| 目： | 雙翅目 Diptera |
| 科： | 家蠅科 Muscidae |
| 亚科： | 点蝇亚科 Azeliinae |
| 族： | 点蝇族 Azeliini |
| 属： | 齒股蠅屬 Hydrotaea Robineau-Desvoidy, 1830 |
| 模式種 | |
| Musca meteorica | |
| 異名 | |
| |
如同其他同科的屬，本屬物種無論在經濟方面或公共衛生方面都具有司法科学領域的重要性。無論是在人類医学或兽医学這兩方面，本屬物種均被多個權威機構認定為最重要的昆蟲[4]。 已證明部分本屬物種會將某些疾病的病原體攜帶並傳播給溫血動物，包括人類[5]。研究人員繼續監測這些疾病的傳播媒介，因為它們與小母牛的乳房發生的夏季乳房炎（summer mastitis）的傳播有關[6]。
物種
本屬現時包括約130個物種[3]，當中有超過50個物種有在中國大陸分佈[7]。這50個物種當中的15個物種有在河北省分佈[7]、三個物種有在四川省分佈[8]，另外有五個物種在台灣分佈[9]。下列部分物種[3][9][8]：
- H. acuta Paul Stein (entomologist), 1898
- Hydrotaea aenescens (Christian Rudolph Wilhelm Wiedemann, 1830)
- 親齒污蠅 Hydrotaea affinis Karl, 1935[9]，邻齿股蝇
- 类邻齿股蝇 H. affinoides Ma & Ma, 1997[8]
- Hydrotaea albipuncta (Johan Wilhelm Zetterstedt, 1845)
- Hydrotaea armipes (Fallén, 1825) = 隐齿股蝇 Hydrotaea occulta (Meigen, 1826)
- 刺足齿股蝇 Hydrotaea armipes Fallén
- H. anxia (Zetterstedt, 1838)
- 刺足齿股蝇 Hydrotaea armipes (Carl Fredrik Fallén, 1825)
- H. atrisquama Ringdahl, 1925
- H. australis John Russell Malloch, 1923
- H. basdeni James Edward Collin, 1939
- 双斑齿股蝇 Hydrotaea bimaculata Meigen
- 拟双斑齿股蝇 Hydrotaea bimaculatoides Wang
- H. borussica Stein, 1899
- 斜齿股蝇 H. calcarata[7]
- 开普齿股蝇 H. capensis (Wiedemann, 1818)：屬於Ophyra亞屬[7]。
- 斑蹠齿股蝇 H. chalcogaster (Wiedemann, 1824)[10]：屬於Ophyra亞屬[7]。
- 栉足齿股蝇 H. cinerea Robineau-Desvoidy, 1830[7]
- H. cristata Malloch, 1918
- 南曲脉齿股蝇 Hydrotaea cyrtoneura Seguy, 1938
- 曲脉齿股蝇 Hydrotaea cyrtoneurina (Zetterstedt, 1845)
- 常齿股蝇 H. dentipes Fabricius, 1805)[7]
- H. depressa Huckett, 1954
- 双斑齿股蝇 H. diabolus (Harris, 1780)[7]
- 渡口齿股蝇 Hydrotaea dukouensis Ni, 1982
- 隐齿股蝇 H. floccosa Macquart, 1835[7]
- 裸齿股蝇 Hydrotaea glabricula (Fallén, 1825)
- Hydrotaea hennigi Pont, 1986
- H. hirticeps (Fallén, 1824)
- H. hirtipes (Malloch, 1924)
- Hydrotaea houghi Malloch, 1916
- 夏氏齿股蝇 H. hsiai[7]
- 银眉齿股蝇 H. ignava (Moses Harris, 1780)：屬於Ophyra亞屬[7]。
- H. irritans (Fallén, 1823)
- 雅氏齒股蠅 H. jacobsoni (Stein, 1919)[2][9]，爪哇齿股蝇
- H. lasiophthalma Malloch, 1919
- 长鬃齿股蝇 H. logisteta Ma & Ma, 1997[8] = Hydrotaea longiseta Feng & Feng, 1997
- H. lundbecki (Michelsen, 1978)
- 玛曲齿股蝇 Hydrotaea maquensis Wu, 1990
- H. meridionalis Porschinskiy, 1882
- 速跃齿股蝇 H. meteorica Linnaeus, 1758)[7]
- 斑翅齿股蝇 Hydrotaea militaris (Johann Wilhelm Meigen, 1826)
- 拟毛足齿股蝇 Hydrotaea mimopilipes Ma & Zhao , 1992
- 单鬃齿股蝇 H. monochaeta Ma & Wu, 1986[11]
- 多鬃齿股蝇 Hydrotaea multichaeta Wu, 1990
- H. nidicola Malloch, 1925
- 裸刺齿股蝇 Hydrotaea nudispinosa Ma,sp.n
- 暗额齿股蝇 H. obscurifrons (Sabrosky, 1949)：屬於Ophyra亞屬[7]。
- 钝鬃齿股蝇 Hydrotaea obtusiseta Feng & Feng, 1997
- 钝齿股蝇 H. obtusisteta Ma & Ma, 1997[8]
- 隱齒股蠅 H. occulata (Meigen, 1826)[2][9]
- 角逐齿股蝇 H. palaestrica (Meigen, 1826)[7]
- H. pallicornis Pont, 1973
- 曲股齿股蝇 Hydrotaea pandellei Stein, 1899
- 豹股齿股蝇 Hydrotaea pardifemorata Xue, Zhang & Liu, 1994
- 小齿股蝇 H. parva Meade, 1889[7]
- H. pellucens Porchinskiy, 1879
- H. penicillata (Camillo Róndani, 1866)
- 毛足齿股蝇 Hydrotaea pilipes Stein, 1903
- 长毛齿股蝇 Hydrotaea pilitibia Stein, 1916，毛胫齿股蝇
- 单毛齿股蝇 Hydrotaea ringdahli Stein, 1916
- H. rostrata Robineau-Desvoidy, 1830
- 曲胫齿股蝇 Hydrotaea scambus (Zetterstedt, 1838)[7] = Hydrotaea seambus Zetterstedt
- 拟常齿股蝇 Hydrotaea similis Meade, 1887
- 林齿股蝇 Hydrotaea silva Hsue
- 刺腿齒股蠅 Hydrotaea spinefemora Shinonaga & Kano, 1971[2][9]
- H. spinifemorata Huckett, 1954
- 刺颊齿股蝇 Hydrotaea spinigena Xue & Li, 1995
- 厚环齿股蝇， 也称具刺齿股蝇， Hydrotaea spinigera Stein, 1910：屬於Ophyra亞屬[7]。
- 刺齿股蝇 Hydrotaea spinosa Stein
- 多刺齿股蝇 Hydrotaea spinosus Ye & Ma, 1992
- 臺灣齒股蠅 Hydrotaea taiwanensis Shinonaga & Kano, 1987[2][9]
- H. tersa (Wiedemann, 1830)
- 虎股齿股蝇 Hydrotaea tigrifemorata Xue, Zhang & Liu, 1994
- H. tuberculata Róndani, 1866
- 单刺齿股蝇 Hydrotaea unispinosa Stein, 1898
- 黑胸齿股绳 H. velutina Robineau-Desvoidy, 1830[11]
- 新疆齿股蝇 Hydrotaea xinjiangensis Ni, 1982
- 昭盟齿股蝇 Hydrotaea zhaomenga Xue , 1994
描述
幼体e of this genus are often 多态性 (生物学) obligate 肉食動物s. The second and third instars are predators, and the first is also carnivorous in some species. Some species have 同类相食 final instars. The smallest larvae are under 6 mm[12] and the largest are up to 16 mm.[13] The abdomen has ventral welts and large 氣門s with Sinuosity slits.[3]
Adults commonly feed on the 血液 of 哺乳动物s. They are able to reopen wounds that are almost completely healed. Mouthpart 形態學 (生物學) in the genus ranges from sponging mouthparts to mouths with rasping teeth. Many species have enlarged prestomal teeth. The metathorax spiracle is covered in long, thick setae.[13] The average male Hydrotaea is 6.5-8.5 mm and the average female is 5.75-7.5 mm. They are very light brown to bluish black with large, red eyes and plumose 觸角.
分佈及棲息地
本屬物種大多数分布在北半球[7]古北界的欧洲、亚洲和北美洲比較和暖的地區[3]，在非洲南部、南美洲和澳洲区亦有少数种分布[7][3]。這些齒股蠅通常都在市区環境棲息，會被发酵了的東西吸引，常見於植物、糞便及分解中的腐肉，主要是死去超過十日的屍體[3]。
生命周期
The 生物生命週期 of Hydrotaea rostrata has been studied in the field of 法醫昆蟲學. Mature flies seek out decay, preferably in material that has been dead for an extended amount of time. Masses of 蛆s, which are often characteristic of other species of flies, are not typical of H. rostrata. The larvae of this species progress through three stages, or instars, which are then followed by the formation of a 蛹. The adult fly emerges from the pupa. The developmental process from egg to adult takes between 518.4 and 1555.6 hours, according to one study in Australia. Development is more rapid in warmer temperatures of 19—30 °C（66—86 °F）. In cooler temperatures of 12—18 °C（54—64 °F）, development may take up to 64.5 days.[14]
The larvae of another species, the black dump fly (H. aenescens), inhabit fecal material and consume other larvae, including those of 家蠅, the housefly.[15][16] The black dump fly is commercially available for use in housefly control.[15] It is also useful in forensics, as it may inhabit 屍體.[17]
Some larvae are able to seek shelter underground in cold conditions.[5]
Associated pathogens
Research has incriminated Hydrotaea irritans as a vector of summer mastitis, a 牛亚科 infection that can be caused by multiple suspected 细菌.[6] The research allowed flies inoculated with select bacteria from a sample representing summer mastitis to come in contact with the udders of 家牛. The bacteria appeared in some of the cows and on the bodies of just over a third of the doctored flies. The evidence indicates that H. irritans transmits the bacterial species 金黃色葡萄球菌, Streptococcus dysgalactiae, Streptococcus uberis, Streptococcus agalactiae, Arcanobacterium pyogenes, Peptostreptococcus indolicus, and Fusobacterium necrophorum.[6]
H. irritans attacks many other warm-blooded animals, including humans.[5]
H. aenescens also carries bacteria, particularly Salmonella enterica subsp. enterica.[18]
司法科学的重要性
本屬物種在世界各地司法科学個案方面有其重要性，因為這些物種的存在及數量顯示了尸体现象（post-mortem interval，PMI）發生的時間[17]。這些物種會在屍體開始分解作用之後四至五個月棲息於屍體之內[12]。牠們顯示了屍體未有被火化，而且在較早期被麗蠅所棲息的期間已完結[19]。 Hydrotaea larvae may feed on each other and on other flies, such as blow-flies.[12]
Hydrotaea can be used to identify 药物s and to determining whether a body was relocated. Hydrotaea spinigera can make up 70% of the muscid fly population on a corpse in forested habitat.[20] Hydrotaea rostrata may arrive at a decomposing body on the second day of decay, and may stay up to 34 days or until the body is 骨骼系統ized.[21]
參考文獻
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