A new genus and species of mite (Acari: Acaridae) from Mexico

Comerinia chuetolamina gen. & sp. nov. was collected from a cargo of dried Daphnia imported to Britain from Mexico. Females can be distinguished from all others described in the family Acaridae in that setae 14, 15 and d5 are flattened dorsoventrally over most of the basal half. This region appears blade-like, bearing numerous strong pectinations along the ventral side. Males may be recognized by a series of characters, some of which reflect a close relationship with Forcellinia Ouds., 1924 and others with Tyrophagus Ouds., 1924. The position of the new genus in a commonly used key to adults of the family Acaridae is indicated.     

腐食酪螨有效积温的研究

腐食酪螨 Tyrophagus putrescentiae(Schrank) ,是世界性仓储物品和食用菌重要害螨 ,也是人体皮炎、体内螨病及螨性过敏的主要病原。本文研究了该螨的有效积温。经测定 ,腐食酪螨全世代的发育始点为 8.38± 1.5 1℃ ,有效积温为 2 2 1.72日度 ;卵、幼螨、第一若螨和第二若螨的发育始点分别为 10 .4 7± 2 .31℃、8.0 9± 2 .36℃、9.0 9± 1.16℃和 10 .5 9± 1.73℃ ,有效积温分别为 4 1.79日度、5 8.0 6日度、36 .2 7日度和 39.5 3日度。     

Two new Tasmanian species of the genus Holonothrus (Acari: Oribatida: Crotoniidae)

Abstract

The juvenile stages and adults of two new Tasm anian crotoniid m ites Holonothrus minus‐culus sp. n. and H. glaesarius sp. n. are described and illustrated. Holonothrus minusculus sp. n. is similar to H. mitis Olszanowski, 1991 in body dimensions and because the openings of the opisthosomal gland are situated close to setae f2. It is similar to H. robus‐tus Olszanowski, 1991 in the length and structure of notogastral setae. H. glaesarius sp. n. is absolutely different from other known species of this genus and that is why it cannot be compared.     

Two new species of the genus Veigaia from China (Acari: Mesostigmata: Veigaiaidae)

Two new species in the genus Veigaia Oudemans, 1939 from soil are described from Liaoning Province, China, Veigaia yinsuigongi sp. nov. and V. beinaxinae sp. nov. The type specimens are deposited in the Department of Entomology, College of Plant Protection, Shenyang Agricultural University, Liaoning Province, China.     

Acaricidal Activity of Pla.nt Essential Oils against Tyrophagus putrescentiae (Acari: Acaridae)

The acaricidal activity of 54 commercially available plant essential oils against Tyrophagus putrescentiae adults was compared with those of benzyl benzoate and N, N-diethyl-m-toluamide (deet). Responses varied with test oils. In a test with an impregnated fabric disc bioassay at 12.7 μg/cm², over 80% mortality was observed with bay, citronella java, clove bud, clove leaf, lemongrass, nutmeg, oregano, pimento berry, thyme red, and thyme white oils. These oils were more toxic to T. putrescentiae adults than benzyl benzoate and deet. At 6.4 μg/cm², lemongrass and thyme white oils exhibited 76 and 84% mortality, respectively, whereas the acaricidal activity of the other essential oils was significantly decreased. In a fumigation test with adult mites, lemongrass and pimento berry oils were much more effective in closed containers than in open ones, indicating that the effects of these oils were largely due to action in the vapor phase. Plant essential oils described merit further study as potential T. putrescentiae control agents.     

腐食酪螨螨体正己烷提取物的生物活性及成分分析

【目的】确定腐食酪螨Tyrophagus putrescentiae报警信息素的存在及其成分。【方法】采取正己烷溶剂浸提法提取获得腐食酪螨螨体提取物, 通过观察腐食酪螨对提取物的行为反应确定其生物活性, 最后用气相色谱-质谱联用仪(gas chromatograph-mass spectrum, GC-MS)对提取物的成分进行分析。【结果】腐食酪螨正己烷提取物对该螨有明显的报警作用。GC-MS分析显示, 提取物中含有橙花醇甲酸酯、Z-柠檬醛、E-柠檬醛等成分。【结论】该实验证明了腐食酪螨报警信息素的存在, 为进一步明确各成分及其作用奠定了基础。     

寄螨属1新种和革索螨属1新种(蜱螨亚纲:中气门目:寄螨科)

记述寄螨属1新种:简单寄螨Parasitus simplendogynii sp.nov.和革索螨属1新种:泾源革索螨Gamasodes jingyuanensis sp.nov.     

足角螨属1新种记述(蜱螨亚纲:中气门目:足角螨科)

记述足角螨属1新种:福建足角螨Podocinum fujianense sp.nov.     

Impact of proteins and saccharides on mass production of Tyrophagus putrescentiae (Acari: Acaridae) and its predator Neoseiulus barkeri (Acari: Phytoseiidae)

Proteins and saccharides are the two most important nutrients of artificial insect diets. In this study, additional protein or saccharide sources were added to the diet, and their impact on the population increase of both the prey Tyrophagus putrescentiae Schrank (Acari: Acaridae) and the predator Neoseiulus barkeri Hughes (Acari: Phytoseiidae) was investigated. T. putrescentiae population increased by 319, 317 and 180 times within six weeks, when yeast powder, glucose or sugar was added to the basic wheat bran diet (diet mass: additive mass 10:3), respectively. However, T. putrescentiae population increased by only 70 times when reared on the basic diet. All three types of nutrients resulted in increased soluble saccharide level of mixed stages T. putrescentiae. Significant increase of soluble protein level was observed when yeast powder was added. When fed on T. putrescentiae reared on yeast powder, glucose or sugar added diets, the developmental duration of N. barkeri was shortened by 23, 23 and 33%, and the daily fecundity increased by 40, 20 and 27%, respectively. The proportion of N. barkeri female offspring was 64% when fed with T. putrescentiae reared on wheat bran, increased to 70% when yeast powder was added, and decreased to 59% and 58% when glucose and sugar was added, respectively. The commercial packaging requirement of N. barkeri is 80 mites per g. It generally takes 40 days from N. barkeri inoculation to reach this requirement, but this period was dramatically shortened to 20, 25 and 24 days when yeast powder, sugar and glucose were added to the diet of T. putrescentiae, respectively.     

厚厉螨科二新种(蜱螨亚纲：革螨股)

记述厚厉螨科二新种：光滑厚厉螨Pachylaelaps nuditectus sp. nov.和陈氏厚绥螨Pachyseius chenpengi sp. nov.。     

Two new myrmecophilous species of the genus Scutacarus (Acari: Prostigmata: Scutacaridae) with world keys to related species groups

In a survey on heterostigmatic mites (Acari: Prostigmata: Heterostigmata) associated with insects including ants in northwestern Iran, two new species of myrmecophilous mites of the genus Scutacarus (Acari: Scutacaridae) were found. They are S. shajariani sp. nov. phoretic on Tetramorium sp. (Hymenoptera: Formicidae) and S. ebermanni sp. nov. phoretic on Messor sp. The mentioned new species belong to groups of species with reduced setae e and h₂, and no setae 4b, respectively. These two new species are described and illustrated, and world keys are provided for respective species groups.     

Two new species of the genus Picobia Haller (Acari: Syringophilidae) from Australian and Indonesian passeriform birds

Abstract

Two new species of the quill mite genus Picobia Haller are described and figured from Australian and Indonesian passeriform birds: Picobia pyrrholaemus sp. nov. from Pyrrholaemus sagit‐tatus (Acanthizidae) from Australia and Picobia indonesiana sp. nov. from three Indonesian sturnid birds (Sturnidae): Aplonis panayensis (Scopoli), Enodes erythrophris (Temminck) and Mino dumontii Lesson.     

根螨属螨类进境风险分析

通过对根螨进境风险进行定性分析,初步认为花叶芋根螨(Rhizoglyphus caladii)、小根螨(R.minutus)、长毛根螨(R.setosus)和单列根螨(R.singularis)为检疫性有害生物;刺足根螨(R.echinopus)和罗宾根螨(R.robini)为限定的非检疫性有害生物。     

Two new species of the genus Coccoloba (Polygonaceae)

Coccoloba ecuadorensis sp. nov, a large-leaved species from the humid coastal forest of Northwestern Ecuador, and C. trollii sp. nov., a small-leaved species from an isolated patch of dry forest in central Bolivia are described.     

中国瘿螨亚科Eriophyinae二新种记述 （蜱螨亚纲：瘿螨科）

 描述了瘿螨亚科二新种：胡枝子瘤瘿螨Aceria lespedezae Kuang,sp.nov.,模式产地 辽宁鞍山市;竹斜瘿螨Acaralox bambusae Kuang,sp.nov.,模式产地湖南冷水江市。     

中国瘿螨亚科Eriophyinae二新种记述（蜱螨亚纲：瘿螨科）

描述了瘿螨亚科二新种：胡枝子瘤瘿螨Acerialespedezae Kuang,sp.nov.,模式产地辽宁鞍山市;竹斜瘿螨Acaralox bambusae Kuang,sp.nov.,模式产地湖南冷水江市。     

条大叶蝉属二新种记述（同翅目：大叶蝉科）

本描述条大叶蝉属(Atkinsoniella Distant)2新种：瘤突条大叶蝉Atkinsoniella tylata sp．nov和黑翅条大叶蝉Atkinsoniella nigripennis sp．nov。模式标本保存在贵州大学昆虫研究所。