照片示正在寄主植物茶树Camellia sinensis上交配的茶小绿叶蝉Empoasca onukii（半翅目：叶蝉科）成虫。茶小绿叶蝉是我国茶叶主产区的重要害虫，具有较强的繁殖力和抗药性，其捕食性天敌主要为蜘蛛。网粒体是叶蝉科昆虫马氏管常见分泌物。本期报道了茶小绿叶蝉成虫借助体表网粒体脱落逃离蛛网的研究（pp. 213-222）。照片由李建宇于2015年6月摄于福建省福州市晋安区宦溪茶园。
Photo shows adults of the tea green leafhopper, Empoasca onukii (Hemiptera: Cicadellidae), mating on its host plant Camellia sinensis. E. onukii is an important pest in the main tea producing regions of China, with high fecundity and strong resistance to insecticides, and its main predatory natural enemies are spiders. Brochosome is a common excretion produced by the Malpighian tubules of Cicadellidae. In this issue, a study on E. onukii adults escaping from spider web via the detachment of brochosomes covering body surface was reported (pp. 213-222). The photo was taken by LI Jian-Yu at Huanxi Tea Garden, Jin′an District, Fuzhou City, Fujian Province, in June, 2015.

照片示弗里熊蜂Bombus friseanus蜂王（膜翅目：蜜蜂科）访问毛杜鹃Rhododendron pulchrum（杜鹃花科）。弗里熊蜂主要分布于中国华南地区、喜马拉雅山脉以及亚洲东南部，分布区海拔1 200~4 400 m。该虫为云南优势熊蜂物种，是众多野生高山植物的重要传粉昆虫。本期报道了弗里熊蜂蜜罐中糖液成分分析（pp. 90-98）。照片由秦加敏于2019年3月摄于云南开远大黑山（23.6464°N, 103.4421°E，海拔2 448 m）。
Photo shows a queen of Bombus friseanus (Hymenoptera: Apidae) visiting Rhododendron pulchrum (Ericaceae). B. friseanus is distributed mainly in the regions of southern China, Himalaya, and Southeast Asia with the elevation ranging from 1 200 to 4 400 m. As one of thedominant bumblebee species in Yunnan Province of southwestern China, B. friseanus is an important pollinator for many wild alpine plants. In this issue, the component analysis of the sugar solution stored in wax cells by B. friseanus is reported (pp. 90-98). Photo by QIN Jia-Min at Daheishan (23.6464°N, 103.4421°E, elevation 2 448 m),Kaiyuan,Yunnanin March, 2019.

照片示橙黄豆粉蝶Colias fieldii（鳞翅目：粉蝶科）成虫。本期报道了中国橙黄豆粉蝶遗传分化和谱系生物地理研究（pp. 1525-1535）。本照片由杨力于2018年10月24日摄于重庆市九龙坡区彩云湖国家湿地公园。
Photo shows an adult of the pierid butterfly Colias fieldii (Lepidoptera: Pieridae). In this issue, a study on the genetic differentiation and phylogeography of C. fieldii in China is reported (pp. 1525-1535). Photo by YANG Li at Caiyun Lake National Wetland Park in Jiulongpo District, Chongqing City, on October 24, 2018.

照片示枯芒草Miscanthus sinensis（禾本科）上正在交配的中华虎凤蝶Luehdorfia chinensis（鳞翅目：凤蝶科）成虫。本期报道了中华虎凤蝶指名亚种的种群遗传分化研究（pp. 1377-1384）。照片由张佑祥于2017年3月26日摄于湖南省桃源县乌云界国家级自然保护区。
 Photo shows Luehdorfia chinensis (Lepidoptera: Papilionidae) adults mating on withered plants of Miscanthus sinensis (Gramineae). In this issue, a study on the genetic differentiation of L. chinensis chinensis populations is reported (pp. 1377-1384). The photo was taken by ZHANG You-Xiang at Wuyunjie National Nature Reserve, Taoyuan County, Hunan Province on March 26, 2017.

 照片示福建安溪的一茶园及其周围的植被生境。本期报道了茶园周边景观格局对茶小绿叶蝉Empoasca onukii种群遗传结构的影响（pp. 1242-1259）。照片由李金玉于2018年8月13日摄于福建省安溪县西坪镇。
Photo shows a tea plantation and its surrounding vegetation habitats in Anxi, Fujian. In this issue, the effect of landscape patterns around the tea plantation on population genetic structure of the tea green leafhopper, Empoasca onukii (Hemiptera: Cicadellidae) is reported (pp. 1242-1259). The photo was taken by LI Jin-Yu at Xiping Town, Anxi County, Fujian Province on August 13, 2018.

照片示甘蓝夜蛾Mamestra brassicae（鳞翅目：夜蛾科）卵和初孵幼虫（A），幼虫（B），蛹（C）及成虫（D）。甘蓝夜蛾是我国北方间歇发生的一种多食性害虫，主要危害甘蓝Brassica oleracea等十字花科（Brassicaceae）蔬菜，也可危害茄科（Solanaceae）、藜科（Chenopodiaceae）、豆科（Leguminosae）等多种农作物。本期报道了变温对甘蓝夜蛾生长发育和繁殖的影响（pp. 1108-1116）。照片由崔娟于2018年8月拍摄于吉林长春。
Photos show the eggs and newly-hatched larvae (A), larva (B), pupa (C) and adult (D) of Mamestra brassicae (Lepidoptera: Noctuidae). M. brassicae is a polyphagous insect pest with intermittent occurrence in Northern China. It prefers to attack cruciferous vegetables (Brassicaceae) such as turnip (Brassica oleracea), and also can infest many crop plants of Solanaceae, Chenopodiaceae and Leguminosae. In this issue, the effects of fluctuating temperature on the growth, development and reproduction of M. brassicae is reported (pp. 1106-1116). The photos were taken by CUI Juan in Changchun, Jilin in August, 2018.

照片示枣飞象Scythropus yasumatsui（鞘翅目：象甲科）成虫在枣树Zizyphus jujuba（鼠李科）枣股新萌发的枣吊周围取食。枣飞象主要以成虫取食枣芽危害，迫使枣树二次萌芽，大量消耗寄主营养，导致结出苦涩的“末茬枣果”或不结果，严重影响红枣品质和产量。本期报道了枣飞象对枣树植物挥发物的EAG和行为反应的研究（pp. 981-991）。本照片由阎雄飞于2018年5月摄于陕西佳县枣园。
Photo shows adults of Scythropus yasumatsui (Coleoptera: Curculionidae) feeding around the newly sprouted jujube buds of the common jujube, Zizyphus jujuba (Rhamnaceae). S. yasumatsui mainly feeds on jujube buds as adults, forcing jujube trees to sprout again, consuming a lot of host nutrition, resulting in bitter "last jujube fruit" or fruitless, and seriously affecting the quality and yield of jujube fruits. In this issue, a study of the EAG and behavioral responses of S. yasumatsui to volatiles from the common jujube is reported (pp. 981-991). The photo was taken by YAN Xiong-Fei at a jujube orchard in Jiaxian County, Shaanxi Province in May 2018.

照片示桃红颈天牛Aromia bungii（鞘翅目：天牛科）雌成虫在桃Prunus persica（蔷薇科）果上取食。桃红颈天牛幼虫主要危害蔷薇科果树和风景园林植物，其成虫取食桃、杏果实，幼虫钻蛀危害树干，易造成树势衰弱和风折。本期报道了桃红颈天牛成虫的交配行为及对不同寄主植物的栖落和产卵选择性（pp. 851-860）。照片由王伟超于2018年7月25日摄于河北顺平县桃树林。
Photo shows a female adult of Aromia bungii (Coleoptera: Cerambycidae) feeding on a fruit of Prunus persica (Rosaceae). A. bungii mainly attacks fruit and ornamental tree species of Rosaceae, and its adults feed on fruits of peach or apricot and larvae excavate tunnels in the trunk of host tree, often resulting in tree weakening and broken by wind. In this issue, a study on the mating behavior of A. bungii adults and their perching and oviposition preference on different host plants is reported (pp. 851-860). The photo was taken by WANG Wei-Chao at a peach plantation in Shunping County, Hebei Province on July 25, 2018.

照片示草地贪夜蛾Spodoptera frugiperda (鳞翅目：夜蛾科)幼虫（A）、幼虫头部（B）、雄成虫（C）和雌成虫（D）。草地贪夜蛾是新入侵我国的重要农业害虫，可危害玉米、水稻、高粱、棉花和蔬菜等多种农作物。本期为草地贪夜蛾专辑。照片由张润志于2019年5月分别拍摄于云南陆良（A）、云南曲靖（B）和贵州贵阳（C, D）。
Photos show the larva (A), larval head (B), male adult (C) and female adult (D) of the fall armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae). S. frugiperda is an important agricultural pest newly invaded in China and can infest many crops including maize, rice, sorghum, cotton and vegetables. This issue is a special issue of S. frugiperda. The photos were taken by ZHANG Run-Zhi in Luliang, Yunnan (A), Qujin, Yunnan (B) and Guiyang, Guizhou (C, D), respectively, in May, 2019.

照片示红腹毛蚊Bibio rufiventris雌成虫（双翅目：毛蚊科）在文冠果Xanthoceras sorbifolia（无患子科）人工林中的文冠果花序上访花。红腹毛蚊主要分布在我国北方，成虫早春出现，是早春开花植物的重要传粉昆虫种类之一。触角感器是红腹毛蚊识别开花寄主植物的重要器官。本期报道了红腹毛蚊成虫触角感器类型、数量及分布特征的研究（pp. 439-449）。照片由朱慧和曲业宽于2016年5月摄于吉林省镇赉县莫莫格林场。
Photo shows a female adult of March fly Bibio rufiventris (Diptera: Bibionidae) visiting inflorescences of the yellow horn, Xanthoceras sorbifolia (Sapindaceae), in a forest farm of X. sorbifolia. B. rufiventris is one of the important pollinator species for early flowering plants due to advanced phenology. Antennal sensilla are key organs for identifying host flowering-plants by B. rufiventris. In this issue, a study of the type, quantity and morphology of antennal sensilla of adult B. rufiventris was reported (pp. 439-449). The photo was taken by ZHU Hui and QU Ye-Kuan at Momoge Forest Farm, Zhenlai County, Jilin Province in May, 2016.