[Effects of temperature on growth, survival, and reproduction of feeding on corn kernels].

In order to examine the effects of temperature on the growth, survival, and reproduction of (Lepidoptera: Crambidae) feeding on corn kernels, the life table parameters of at 21, 24, 27, 30 ℃ were calculated based on the age-stage two-sex life table theory, and then population dynamics of was projected based on these parameters. The results showed that the life cycles of the pest could be finished at all the four temperature treatments. The developmental duration of each stage shortened with increasing temperature, and there were significant differences among treatments.

Demography and Uncertainty of Population Growth of Conogethes punctiferalis (Lepidoptera: Crambidae) Reared on Five Host Plants With Discussion on Some Life History Statistics.

The development, survival, and fecundity data of Conogethes punctiferalis (Guenée) (Lepidoptera: Crambidae) reared on chestnut (Castanea mollissima Blume), maize (Zea mays L.), sunflower (Helianthus annuus L.), hawthorn (Crataegus pinnatifida Bunge), and apple (Malus domestica Miller) were collected at 25 ± 1°C and 70 ± 5% RH.

A new species of the genus Rehn, 1928 from Hubei, China (Acrididae, Acridoidea, Orthoptera).

The genus Mongolotettix Rehn, 1928 is a small genus of family Adrididae. It has nine species discovered from the Far Eastern Asian countries, including China, Japan, Korea, Mongolia, and Russia [Bolívar, 1898; Uvarov, 1914; Caudell, 1921; Chogsomzhav, 1974; Li et Lian, 1994; Wan, Ren et Zhang, 1998; Xie et Li, 2000, Kim et Kim 2005; Dong, et al, 2015; Shi et al, 2016; Storozhenko, 2016; Eades et al, 2017; Zhang et al, 2017]. In the present paper, we describe a new species of the genus from Hubei, China.

Two new species and key to six species of the genus Taipodisma Yin, Zheng & Yin, 2014 from Taiwan, China (Orthoptera, Acridoidea, Catantopidae, Podisminae).

Two new species of the genus Taipodisma Yin et al, 2014 from Taiwan, China are described in this paper. The new species Taipodisma viriditibia sp. nov.

Two new species of the genus Aalatettix Zheng & Mao (Orthoptera, Tetrigoidea, Tetrigidae) from Taiwan, China.

Two new species of the genus Aalatettix Zheng & Mao, 2002, namely Aalatettix yangi sp. nov. and Aalatettix xiai sp.

Discovery of a new species of Formosatettix Tinkham, 1937 (Orthoptera, Tetrigoidea, Tetrigidae) from China.

A new species of the genus Formosatettix Tinkham, 1937, namely Formosatettix xiai sp. n. is described and illustrated.

[Spatial distribution patterns of adult population of Pseudorobitis gibbus (Coleoptera: Apionidae) in Taixing Garden, Tai'an, Shandong, China].

The vertical and horizontal distributions of Pseudorobitis gibbus adults on Lagerstroemia indica were analyzed by using the aggregation indices and geostatistics. The results from aggregation index methods indicated that its vertical distribution was an aggregated distribution, and the aggregation average (lambda) was above two, showing that the aggregation resulted from its bionomics and behaviors, not from the environmental factors. The results of geostatistic analysis showed that the best fitting models for the five different sampling data in June 4, June 16, June 29, July 25 and August 22 were Gaussian, Gaussian, Linear, Gaussian and Linear models, respectively, but random models in July 12 and August 7.

Genetic structure of rice black-streaked dwarf virus populations in China.

Rice black-streaked dwarf virus (RBSDV) is a double-stranded RNA (dsRNA) virus belonging to the genus Fijivirus in the family Reoviridae. The genome of RBSDV consists of ten dsRNA segments. Although RBSDV has caused significant economic losses to rice and maize production in the past few years in China, its molecular diversity and evolution remain largely unknown.

Demographic analysis, a comparison of the jackknife and bootstrap methods, and predation projection: a case study of Chrysopa pallens (Neuroptera: Chrysopidae).

The life table of the green lacewing, Chrysopa pallens (Rambur), was studied at 22 degrees C, a photoperiod of 15:9 (L:D) h, and 80% relative humidity in the laboratory. The raw data were analyzed using the age-stage, two-sex life table. The intrinsic rate of increase (r), the finite rate of increase (lambda), the net reproduction rate (R0), and the mean generation time (T) of Ch.

[Effects of fluctuating thermal regime on cold tolerance of parasitoid wasp Aphidius gifuensis].

In order to understand the effects of fluctuating thermal regime (FTR) on the cold tolerance of female and male Aphidius gifuensis adults in the mummies of Schizaphis graminum and to explore the variation patterns of the biochemical substances in the adult body, this paper determined the supercooling point (SCP), freezing point (FP), and the water, fat, protein, and carbohydrate contents of the adults after FTR treatments. Compared with that at constant temperature (20 degrees C), the cold tolerance of the adults at 4 degrees C 22 h/20 degrees C 2 h and 4 degrees C 46 h/20 degrees C 2 h after 1 week enhanced significantly. The SCP and FP after FTR presented a downtrend, being the lowest (-26.

Molecular characterization of segments S7 to S10 of a southern rice black-streaked dwarf virus isolate from maize in northern China.

Southern rice black-streaked dwarf virus (SRBSDV) is a novel Fijivirus prevalent in rice in southern and central China, and northern Vietnam. Its genome has 10 segments of double-stranded RNA named S1 to S10 according to their size. An isolate of SRBSDV, JNi4, was obtained from naturally infected maize plants from Ji'ning, Shandong province, in the 2008 maize season.

[Quantitative analysis of insect pest and natural enemy communities in Red Fuji apple orchard].

The insect pest and natural enemy communities in Red Fuji apple orchard in Mouping District of Yantai City were quantitatively analyzed by multivariate analysis. The temporal structure of the communities was grouped into five continuous stages by using optimal sorting method, and the community characteristics at each stage were described. The dominant pests and natural enemies were determined at different growth stages of apple trees through analyzing the sub-communities of the insect pests and the predatory and parasitic enemies by principal component analysis and factor analysis.