Special issue of “The 90th anniversary of Prof. You-Chong Hong” (Front matter)
Prof. Yong-Chong Hong: a Chinese pioneering palaeoentomologist
A new fossil psyllid, Cacopsylla trigona sp. nov. (Hemiptera: Psylloidea: Psyllidae), from the Miocene of China
A new scelionine genus from the earliest Eocene Oise amber (Hymenoptera: Platygastroidea: Scelionidae)
First inclusion of a trichiine beetle (Coleoptera: Scarabaeidae) from Baltic amber
A new Early Jurassic insect outcrop in Xinjiang, northwestern China and its stratigraphic significance
New material of the cricket Sinagryllus xinjiangensis Wang et al., 2019 (Grylloidea, Baissogryllidae) from the Lower Jurassic of Xinjiang, NW China
A new species of Luanpingia (Hemiptera: Cercopoidea: Sinoalidae) from the Middle–Upper Jurassic Daohugou Bed
New species of Doratomantispa from the mid-Cretaceous of northern Myanmar (Insecta, Neuroptera, Mantispidae)
An unusual new genus and species of beaded lacewings (Neuroptera: Berothidae) from the mid-Cretaceous Burmese amber
Structural features and life habits of †Alienoptera (Polyneoptera, Dictyoptera, Insecta)
A new genus and species of wasp (Hymenoptera: Evanioidea: Praeaulacidae) associated with an angiosperm flower in Burmese amber
A new beetle family, Mysteriomorphidae fam. nov. (Coleoptera: Elateriformia incertae sedis), from mid-Cretaceous amber of northern Myanmar
Fossil soldier beetles (Coleoptera: Cantharidae) of the Georg Statz Collection from the Oligocene Rott Formation, Germany
Atypical short elytra in Cretaceous short-winged flower beetles (Coleoptera: Kateretidae)
The supposed giant spider Mongolarachne chaoyangensis, from the Cretaceous Yixian Formation of China, is a crayfish
Diverse Texas beetles (Coleoptera: Elateroidea: Brachypsectridae) in mid-Cretaceous Burmese amber: sexual dimorphism and palaeoecology