5,345 research outputs found
New findings of Flagellisargus J Zhang, 2012 (Diptera, Brachycera, Archisargidae), with discussion of the placements of some controversial taxa
Full text linkA new species of a new subgenus and a similar known species referred to the genus Flagellisargus J Zhang, 2012 are described and illustrated based on a male and a female impression fossils of these flies: Flagellisargus (Changbingisargus) parvus subgen. et sp. n. and Flagellisargus (Flagellisargus) cf. sinicus J Zhang, 2012. The latter taxon is the first record of a female Flagellisargus. Recently taken out of Archisargoidea, this study concludes that Flagellisargus should be an archisargid genus based on the known (male) and new (female) impression fossils. The placement of Daohugosargus J Zhang, 2012b is reassessed. It demonstrates close similarities in body structure and wing venation to archisargid flies, and can be retained as an archisargid genus. Archirhagio mostovskii J Zhang, 2015 is separated from Archirhagio zhangi K Zhang et al., 2009. Helempis Ren, 1998 could be, as a separate genus, placed in Archisarginae, Archisargidae
Brief Report of an Artificial Rearing Method for Paragus quadri-fasciatus Meigen
Full text linkThe four-striped small syrphid fly, Paragus quadri-fasciatus Meigen, is one important kind of natural enemy of aphids. Since 1983 we have studied the utilization of this natural enemy. We selected perennial grasses (of two to three years life span), which host aphids. In the first year we planted the above-mentioned grasses and in the second year we raised the syrphid fly. Details of the method are described as follows.Originating text in Chinese.Citation: Gao, Junfeng, Zhang, Li, Zhang, Shubin, Qin, Bo. (1992). Brief Report of an Artificial Rearing Method for Paragus quadri-fasciatus Meigen. Natural Enemies of Insects, 14(4), 188-190
sj-pdf-1-imr-10.1177_03000605211035889 - Supplemental material for Transbronchial tuberculosis cavity plugging therapy for pulmonary tuberculosis
No full textSupplemental material, sj-pdf-1-imr-10.1177_03000605211035889 for Transbronchial tuberculosis cavity plugging therapy for pulmonary tuberculosis by Junfeng Han, Long Yuan, Jianguo Li, Chunbao Liang, Dong Zhang and Zaoxian Mei in Journal of International Medical Research</p
Survey on the Overwintering of Syrphids in Changbai Mountains and Experiments on Artificial Protection of the Overwintering Syrphid Flies
Full text linkOriginating text in Chinese.Citation: Gao, Junfeng, Zhang, Guangxin, Qin, Yongchun, Yu, Kai, Li, Minghai, Qin, Yi. (1993). Survey on the Overwintering of Syrphids in Changbai Mountains and Experiments on Artificial Protection of the Overwintering Syrphid Flies. Chinese Journal of Biological Control, 9(3), 142-144
Figure 8 from: Zhang Q, Zhang J (2019) Contribution to the knowledge of male and female eremochaetid flies in the late Cretaceous amber of Burma (Diptera, Brachycera, Eremochaetidae). Deutsche Entomologische Zeitschrift 66(1): 75-83. https://doi.org/10.3897/dez.66.33914
No full textFigure 8 Difference and similarity between four sets of ovipositors. Line drawings (lateral view), ARhagoletispomonella (Walsh, 1867) (ovipositor extended, after Cumming and Wood 2009) BRhagoletispomonella (Walsh, 1867) (ovipositor not extended, after Norrbom 2010) CZheniaxiai Q. Zhang et al., 2016 DZheniaburmensis sp. nov. Scale bars: 1mm (C, D). ac gl – accessory gland; acul – aculeus; cerc – cercus; cloac op – cloacal opening; ev mem – eversible membrane; ovscp – oviscape; sg – segment; spmth – spermatheca; st – sternite; tg – tergite; v rep – ventral receptacle
sj-docx-1-tct-10.1177_15330338231184995 - Supplemental material for Plasma Thioredoxin Reductase as a Potential Biomarker for Gynecologic Cancer
No full textSupplemental material, sj-docx-1-tct-10.1177_15330338231184995 for Plasma Thioredoxin Reductase as a Potential Biomarker for Gynecologic Cancer by Yinxing Zhu, MS, Yixuan Hu, MS, Junfeng Shi, MD, Xiaowei Wei, MD, Yaqi Song, MD, Cuiju Tang, MD, PhD, and Wenwen Zhang, MD, PhD in Technology in Cancer Research & Treatment</p
The Role of Paragus quadri-fasciatus Meigen on Aphid Control and the Observations of its Biological Characteristics
Full text linkFour-strip small syrphid fly, Paragus quadri-fasciatus Meigen is the important natural enemy of aphids in our region. A fly can eat about 800 aphids during its whole life. There are more than 10 kinds of aphids can be food of this fly, such as soybean aphid, Chinese sorghum aphid and radish aphid etc. The fly has 3~4 generations each year in Tonghua county, Jilin province. The adult of the first generation appears after the last ten-day period of April each year. It takes 30~35 days to complete one generation. The fly can oviposit 84~124 eggs in its whole life. Major natural enemies of the fly are ichneumon wasps, spiders, lacewings and etc.Originating text in Chinese.Citation: Gao, Junfeng, Jiang, Lianfeng, Zhang, Guangxin, Li, Chunshan, Zhao, Guangquan. (1996). The Role of Paragus quadri-fasciatus Meigen on Aphid Control and the Observations of its Biological Characteristics. Journal of Jilin Agricultural Sciences, 5(2), 60-61
A review on the hybrids of hydroxycinnamic acid as multi-target-directed ligands against Alzheimer's disease
No full textAlzheimer's disease (AD), a complex chronic progressive central nervous system degenerative disease and a public health problem of the world, often characters cognitive dysfunction accompaning aggression and depression, and may lead to death. More attentions should be paid on it because there is no modified strategy against AD till now. AD is featured with the loss of cholinergic neurons, the amyloid-beta peptide (AÎ2) plaques and the neurofibrillary tangles and several hypotheses were established to explain the pathogenesis of AD. Hydroxycinnamic acids, including caffeic acid (CA) and ferulic acid (FA) are widely distributed in natural plants and fruits. CA and FA exert various pharmacological activities, including anti-inflammatory, antioxidant, neuroprotection, anti-amyloid aggregation and so on. All these pharmacological activities are associated with the treatment of AD. Here we summarized the pharmacological activities of CA and FA, and their hybrids as multi-target-directed ligands (MTDLs) against AD. The future application of CA and FA was also discussed, hoping to provide beneficial information for the development of CA- and FA-based MTDLs against AD
Figure 4 from: Junfeng Z (2017) New findings of Flagellisargus J Zhang, 2012 (Diptera, Brachycera, Archisargidae), with discussion of the placements of some controversial taxa. Deutsche Entomologische Zeitschrift 64(2): 111-122. https://doi.org/10.3897/dez.64.13550
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