Feijen Hans R, Feijen Cobi
Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden, The Netherlands Naturalis Biodiversity Center Leiden Netherlands.
Zookeys. 2020 Jul 6;946:113-151. doi: 10.3897/zookeys.946.53108. eCollection 2020.
The literature on Sri Lankan Diopsidae is reviewed. Eight Diopsidae are now known to occur in Sri Lanka, five species in the genus and one species each in the genera , , and . The presence of requires confirmation to exclude the possibility of mislabelling. All five species are endemic, as are the species and probably the species. Only Senior-White has a larger distribution as it also occurs in India. A key is presented for the Diopsidae of Sri Lanka. Three species were already known to occur in Sri Lanka: Röder, Feijen and Feijen. These species form the species group. Two new species are now described for this group: and is redescribed, as an earlier redescription turned out to be based on a series of specimens of its sister species The other three Diopsidae of Sri Lanka are listed and illustrated. Allometric aspects of the five species are discussed. Three species are sexually dimorphic with regard to eye span, while two species are monomorphic. It is assumed that sexual dimorphism developed independently in the species group. This brings the number of known cases of independent development of sexual dimorphism in the Diopsidae to ten.
本文对斯里兰卡突眼蝇科的文献进行了综述。目前已知有8种突眼蝇科昆虫分布于斯里兰卡，其中5种属于 属，另有1种分别属于 属、 属和 属。 的存在需要进一步确认，以排除误判的可能性。所有5种 属的物种均为特有种， 属的物种以及可能 属的物种也是如此。只有Senior-White分布范围更广，因为它在印度也有出现。文中给出了斯里兰卡突眼蝇科的检索表。已知有3种 属的物种分布于斯里兰卡：Röder、Feijen和Feijen。这些物种构成了 物种组。现为此物种组描述了2个新物种： 和 。对 进行了重新描述，因为之前的一次重新描述结果证明是基于其姐妹物种 的一系列标本。还列出并说明了斯里兰卡的其他3种突眼蝇科昆虫。讨论了5种 属物种的异速生长情况。3种 属物种在眼距方面存在两性异形，而另外2种为单形。据推测，两性异形在 物种组中是独立进化的。这使得突眼蝇科中已知的独立进化出两性异形的案例数量达到了10个。
