نتایج جستجو برای: chironomidae
تعداد نتایج: 1269 فیلتر نتایج به سال:
Surveys for symbiotic fungi in the guts of aquatic insect larvae (Trichomycetes: Harpellales) in Tasmania, Australia, resulted in the discovery of four new species: two in Gripopterygidae (Plecoptera) nymphs, Plecopteromyces leptoperlarum and P. trinotoperlarum, and two associated with Diptera larvae, Smittium magnosporum in Thaumaleidae and Stachylina dolichospora in Chironomidae. Previously d...
Populations of adult chironomids occurring along 5-6 km of waterfront in the city of Sanford facing Lake Monroe, central Florida, were monitored from January 1980 to December 1994 using New Jersey light traps. The annual mean number of total midges per trap per day ranged from 269 (1994) to 8,009 (1980). Among the more than 20 species of midges occurring in the traps, Glyptotendipes paripes was...
First record of larvae of Chironomidae (Insecta, Diptera) as prey of Temnocephala sp. (Platyhelminthes, Temnocephalidae), an ectosymbiont on larvae of Corydalidae (Megaloptera). This study constitutes the first record of Temnocephala Blanchard, an ectosymbiont on Corydalidae, as a possible predator of chironomid larvae. Twenty-eight Corydalidae larvae (Corydalus and Protochauliodes) were examin...
A new species of Corynoneura Winnertz (1846) from Oriental China, C. ecphora sp. n. is described and illustrated as male. A distribution map of adult males in Oriental China is given. A key to known males of Oriental China is provided.
Bacillus thuringiensis var. israelensis (B.t.i.) and B. sphaericus were evaluated for chironomid larvicidal activity in freshwater mesocosms. Of two B.t.i. formulations, the technical powder ABG-6164 provided excellent control of chironomines (94%) at the rate of 11.2 kg/ha whereas the liquid concentrate, Vectobac 6 AS, achieved only moderate control (57%) at the rate of 22.4 kg/ha. In contrast...
The Chinese species of Parametriocnemus Goetghebuer are reviewed. Two species, Parametriocnemus fortis sp. n. and Parametriocnemus vittatus sp. n. are described and illustrated as males, and Parametriocnemus ornaticornis (Kieffer), Parametriocnemus scotti (Freeman) and Parametriocnemus brundini Sinharay & Chaudhuri are recorded from China for the first time. A key to the males of the seven Chin...
Micropsectra uva sp. nov. is described from the Plitvice Lakes National Park (Croatia), and placed in the Micropsectra atrofasciata systematic species group. Morphological key structures/characters for adult males of the new species and several closest Micropsectra Kieffer are illustrated in detail and evaluated.
Two Japanese Polypedilum species including a new species are redescribed and described based on the males. Polypedilum (Probolum) simantokeleum, Sasa, Suzuki et Sakai, 1998, is transferred to the subgenus Uresipedilum. Polypedilum (Uresipedilum) dissimilum sp. nov. is easily distinguished from other members of Uresipedilum by having a T-shaped tergal band. Definition of the subgenus Probolum is...
Three new species of Pseudosmittia Edwards from the Neotropical region, P. satheri, P. larga and P. trapezoidea, are described and figured as males. Allocladiusfortispinatus (Edwards), A. globosus Andersen et al. and A. quadrus Andersen et al. are redescribed on the basis of new material and their geographical distribution updated. A phylogenetic analysis was performed in order to assess the ph...
We report cases of Simuliidae and Chironomidae living on Lachlania nymphs (Ephemeroptera). This is the first record of these associations in South America. Simulium exiguum (pupae and larvae), Simulium cuasiexiguum (larvae), Cricotopus sp. (larva) and Rheotanytarsus sp. (larva) were found associated with Lachlania nymphs. We believe that all of these associations can be classified as opportunis...
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