盆栽红掌栽培管理方法

红掌又名安祖花,为天南星科(Araceae)花烛属(Anthurium)多年生常绿草本植物,原产热带美洲,上世纪80年代引入我国.其花枝独特,全年开花,花保鲜期长,在国际市场上是十分畅销的一种切花材料和盆栽品种.     

中国葛藤叶蝉名录及新种、新记录描述（同翅目：叶蝉科）

本文系统报道我国葛藤上的叶蝉种类，共有11亚科40属50种，其中含3新种、1中国新记录属、5中国新记录种，建立1新组合种，并对折板叶蝉属Paradaevicephalus Ishilhara的属征进行了厘订。新种模式标本保存在安徽农业大学昆虫标本室。     

貂熊种群现状及其保护

貂熊Gulo gulo属食肉目,鼬科,为环北极代表动物。在我国只分布在大兴安岭和阿勒泰林区。分布面积狭小,种群数量十分稀少,处极度濒危状态,已列为国家1级保护动物。因其分布密度低又为夜行性,故国内对它的研究甚少。仅在1958、1976、1983年的大兴安岭野生动物资源调查报告及黑龙江省、内蒙古和新疆动物志书中有一般性描述外,还有付文江(1966)、萨希荣(1974)的分布报导。而徐学良(1983)对黑龙江省博物馆所藏标本的研究(两篇)及李忠周(1984)对东北地区貂熊生态及饲养管理的文章是我国仅有专门报导。     

Notes on genus Eurydoxa Filipjev （Lepidoptera： Tortricidae） in China

Genus Eurydoxa Filipjev in China is reviewed and noted for the first time. Based on the present study, two species are recognized, including rhodopa Diakonoff and advena Filipjev. All available information for the species is reviewed and provided.     

中国叩甲科区系中的优势种

通过对中国25个省区,813个地点的叩甲科区系考察和种类鉴定,以及对各个种类的数量统计,发现暗足重脊叩甲 Chiagosnius obscuripes (Gyllenhal), 筛胸梳爪叩甲Melanotus cribricollis (Faldermann),双瘤槽缝叩甲Agrypnus bipapulatus Candeze,泥红槽缝叩甲Agrypnus argillaceus (Solsky),眼纹斑叩甲Cryptalaus larvatus (Candeze),丽叩甲Campsosternus auratus (Drury),朱肩丽叩甲Campsosternus gemma Candeze,角斑贫脊叩甲Aeoloderma agnata (Candeze),枝斑贫脊叩甲Aeoloderma brachmana (Candeze),变色平尾叩甲Gamepenthes versipellis (Lewis),木棉梳角叩甲Pectocera fortunei Candeze,武当筛胸叩甲Athousius wudanganus Kishii et Jiang等12种叩甲的种群数量较大,在中国叩甲科区系中处于明显优势,应属于中国叩甲科中的优势种.     

南酸枣育苗及培育

南酸枣,为漆树科高大乔木,干形通直.骨质果核顶端有5个小孔,故俗称"五眼果".贵池区棠溪、梅街等地均自然分布在海拔300～1 250米的阔叶林或针阔混交林中.     

Post-fire habitat restoration of sables during winter season in northern slope of the Great Xing＇an Mountains

Habitat loss and fragmentation have been associated with the decline of endangered species. In 1987, a catastrophic fire in the northern Great Hing＇an Mountains of China, where the main habitat of sables （Martes zibellina） is located, aggravated the loss and fragmentation of the forest landscape. Due to restricted distribution and low population density, sables were listed in the national first-grade protected species in China. The objective of this paper was to identify to what extent the habitat of sables had been restored 13 years after the fire. Based on the behavioral data, which came from field survey information by radio-tracking, GPS （Global Positioning System） and forest inventory data, suitability habitat maps were derived using the Ecological Niche Suitability Model （ENSM）. In addition, the habitat structure was analyzed with selected landscape indices. Although forest cover mostly had been restored by 2000, the results indicated that, compared to the pre-fire situation, the areas of suitable habitat had been reduced significantly, especially those of less suitable, marginally suitable and moderately suitable designation. Fragmentation was aggravated, and suitable patches were found to be further isolated with the exception of those in most suitable areas. The ratio of the patch perimeter to area in unsuitable, moderately suitable and suitable areas decreased, while the ratios within other suitability types increased. Moreover, the percentage of soft boundaries decreased slightly, which can influence the redistribution of sables. The results above indicated that the suitable habitat had deteriorated, and the restoration of the sables＇ habitat remained to be done.     

7种杀虫剂对斜纹夜蛾室内毒力测定

斜纹夜蛾（Prodenialitura Fabricius）属鳞翅目（Lepidoptera）夜蛾科（Noctuidae）,又名莲纹夜蛾、黑头虫、乌头虫等。是一种多食性的害虫,可为害十字花科、茄科、葫芦科、豆科、莲藕、棉花等99科290种以上作物。斜纹夜蛾主要以幼虫取食为害叶片、嫩茎、蛀食果实等。其食性既杂又危害各器官...     

牡丹江苹果蠹蛾的发生规律及防治措施

苹果蠹蛾[Cydia pomonella(L.)]属鳞翅目,小卷叶蛾科,可为害苹果、梨、沙果、樱桃等果类,是世界上最严重的蛀果害虫之一,属进境植物检疫性有害生物。黑龙江省牡丹江市在2006年首次发现苹果蠹蛾,经过近几年的调查、防控,已基本摸清该虫在本地的为害症状和发生规律。     

彩色树种色木槭人工栽培丰产技术

<正>色木槭(Acer mono Maxim.),又名五角枫、五角槭、色木等,为槭树科椒树属的落叶乔木。最高约22m。胸径最大1.2m。色木槭经济用途也很多,树皮优质纤维可作人造棉及造纸的原料,叶含丰富的鞣质,种子可以榨油,即可供工业方面使用,也可作为食用油。木材细密,是建筑、车辆、乐器和胶合板等优质原料。叶、皮等可入药,性味辛、苦,主治治疗祛风除湿、活血止痛、偏头痛、风寒湿痹、跌打瘀痛、