The Chalcidoid parasites of the common house or typhoid fly (Musca domestica Linn.) and its allies, iii. Description of a new North American genus and species of the family Pteromalidae from Illinois, parasitic on Musca domestica Linn., with bioloigcal notes.
The Chalcidoid parasites of the common house or typhoid fly (Musca domestica Linn.) and its allies, iii. Description of a new North American genus and species of the family Pteromalidae from Illinois, parasitic on Musca domestica Linn., with bioloigcal notes.
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DOI：
10.1155/1910/82048
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发表时间：
1910-01-01
期刊：
影响因子：
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通讯作者：
Sanders, George Ethelbert
中科院分区：
文献类型：
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作者：
Girault, A. A.;Sanders, George Ethelbert
在我们1908年调查普通家蝇时所饲养的小蜂类寄生虫中，模式种的数量居第三位，比Spalangia和Nasonia brevi-cornis Ashm的种少。然而，与后者不同的是，它不是独立饲养的，也不是从许多宿主中饲养的，而是几乎总是与某个Spalangia种有关，我们倾向于相信，尽管缺乏证据，它通常攻击该属，因此是伤寒蝇的次级寄生虫，尽管它的rSle也可能是初级寄生虫的rSle。我们之所以相信它的次级作用，是因为它与Spalangia有着普遍的相似之处，这在寄主与寄生虫或寄主与寄生虫之间并不罕见，尽管这绝不是规律。但我们没有任何证据表明情况确实如此，因此不得不得出结论，即该属的模式种在任何意义上都是主要的寄生虫。在本系列的第三篇文章中，我们对该属进行了详细的描述和讨论，并给出了我们所能观察到的有关该属的生物学事实。本属为Spalangia和Pachycrepoideus palangus Ashm已被认为是家蝇的主要初级寄生虫，Spalangia的种类是三个属中最多和最常见的。将在随后的一份文件中审议这些问题。
The type species of this new and important genus of the pteroma-line tribe Eutelini, was in point of numbers, third among the chal-cidoid parasites reared by us during the investigations of the common house fly, during thelatter part ofthe season of 1908, it being less numerous than species of Spalangia and the parasiteNasonia brevi-cornis Ashm. Unlike the latter, however, it was not reared inde-pendently or from a number of hosts, but nearly always occurred in connection with some one of the species of Spalangia and we were inclined to believe, though the evidence was lacking, that it usually attacked that genus, and hence is a secondary parasite of the typhoid fly, though its rSle may also be that of a primary parasite. A fact which contributed to our belief of its secondary rSle is the general likeness which it exhibits to Spalangia, a not uncommon thing between host and parasite or host and inquiline, though by no means the rule. But we have no evidence whatever to show that this is the case and are forced to the conclusion that the type species of the genus is a primary parasite in every sense. In this third paper of this series, the genus is described and con-sidered in detail and such biological facts as we were able to observe concerning it are also given. This genus, Spalangia and Pachycrepoideus dubius Ashm., already considered, are the principal primary parasites of the house fly, the species of Spalangia being the most numerous and common of the three genera. They will be considered in a paper to follow.