Capreolucanus yanxui Qi & Zhou, new species, the third species of the genus from Yunnan (China) based on morphological and molecular characters (Coleoptera: Lucanidae: Lucaninae).

The third species of the small and rare stag beetle genus Capreolucanus Didier, 1928 was found from Yunnan Province, China: C. yanxui Qi & Zhou, new species. The complete mitogenome of the new species is assembled.

Lucanus qizhihaoi, a new stag beetle from Wuyishan National Park of Fujian, China (Coleoptera: Lucanidae: Lucaninae).

A new stag beetle species is described from Wuyishan National Park of Fujian, China, Lucanus qizhihaoi Lin, Su, Xin & Song, new species, which represents the easternmost distribution record of the L. boileaui group, previously known only from southwestern China and northern Indochina Peninsula. Evidences are found on morphological characters, the mitochondrial marker COI and significant geographic isolation to clearly distinguished the new species from its closest relative, L.

New records of Chrysochroinae Laporte de Castelnau, 1835 (Coleoptera, Buprestidae) from China.

Background: Chrysochroinae Laporte de Castelnau, 1835 is the very colourful subfamily of Buprestidae. There are 127 species and subspecies of the subfamily which have been recorded in China.

New Information: In this paper, we reported three genera, two subgenera and five species of the subfamily Chrysochroinae Laporte de Castelnau, 1835 (Coleoptera, Buprestidae) which are all newly recorded from China.

Revision of the rare Buprestis subgenus Akiyamaia Kurosawa, 1988 (Coleoptera: Buprestidae: Buprestinae), with description of two new species.

In this paper, two new species of Buprestis subgenus Akiyamaia Kurosawa, 1988 are described: B. (A.) gengmini Qi & Song, new species from Yunnan Province, China and B.

Coomaniella sunfengyii sp. nov., a new species from Fujian, China (Coleoptera: Buprestidae: Coomaniellini).

A new species Coomaniella sunfengyii Liao, Su, Qi & Song, sp. nov. from Fujian Province, China, is described and placed in the Coomaniella macropus species-group.

New and poorly known species of the genus Brachyllus Brenske, 1896 (Coleoptera: Scarabaeidae: Melolonthinae) from China.

Three new species of the genus Brachyllus Brenske, 1896 are described from China including Brachyllus songhaitiani Zhao, Qi, Su & Liao, new species from Fujian and Jiangxi, B. dongzhiweii Zhao, new species from Xizang and B. tangzhaoyangi Zhao, new species from Guangxi.

Revision of the Lucanus boileaui group and notes on L . takeoi Adachi, 2020 from the L . maculifemoratus group (Coleoptera: Lucanidae: Lucaninae).

A new stag beetle is described from Yunnan Province, China: Lucanus jiaozishanus Qi, He, Su & Song, new species. It is the third species of the L. boileaui group which are distributed only in Southwestern China and Northeastern Myanmar.

[Application of nitrous oxide / oxygen inhalation sedation in tooth extraction of elderly patients with hypertension].

Purpose: To investigate the safety and efficacy of nitrous oxide/oxygen inhalation sedation assisted in elderly hypertensive patients under local anesthesia during tooth extraction.

Methods: Forty elderly patients (age≥70 years) with hypertension who needed tooth extraction with electrocardiographic monitoring were selected, and divided into experimental and control groups randomly, with 20 patients in each group. The experimental group was treated with nitrous oxide/oxygen inhalation sedation and local anesthesia for surgery, the control group underwent tooth extraction under local anesthesia.