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Two isolates of Beauveria bassiana（Balsamo-Crivelli）Vuillemin and one isolate of Isaria fumosorosea Wize were isolated from Diaphorina citri Kuwayama（Hemiptera: Liviidae）, a vector of huanglongbing（citrus greening disease）. The ability of these isolates to kill D. citri, two Cacopsylla species（Hemiptera: Psyllidae）, and the brown citrus aphid, Toxoptera citricida（Kirkaldy）, and the effect of temperature in vitro on their growth were investigated. Infection with all three isolates resulted in high mortality for D. citri. In the Cacopsyllaspp. and T. citricida, some isolates caused consistent mortality, but this varied among isolates. Mycelial growth of the three isolates was vigorous at 20–30°C. The two isolates of B. bassiana grew well at 25°C, while the I. fumosorosea isolate grew well at 25–30°C, indicating that the optimal growth temperature varied among the isolates. [ABSTRACT FROM AUTHOR]

To evaluate the role of sorghum as an insectary plant for predators attacking aphids, we investigated the seasonal occurrence of aphids on sorghums （Sorghum bicolor （L.） Moench）, ‘Kazetachi' （late flowering and a long culm, commercial cultivar）, ‘Koutoubun'（sweet sorghum, commercial cultivar） and ‘Akaamakibi'（sugar rich, local variety）in 2007, varying the planting date. The aphid incidence started much earlier on the first two planting dates （25 April and 1 May）and aphids were significantly more abundant on ‘Kazetachi', having peak abundance in middle to late August. In 2008, we investigated the seasonal occurrence of aphids on two cultivars, ‘Kazetachi' and ‘Koutoubun', planted on 15 April. Again significantly more aphids were found on ‘Kazetachi', peaking in late July to early August with a high density of 1,500 individuals per leaf. During the survey in 2007 and 2008, Melanaphis sacchari （Zehntner）was predominant on sorghum irrespective of the cultivar. Our findings suggested that sorghums provide sufficient aphids as prey to aphidophagous predators and ‘Kazetachi' is more suitable to be regarded as an insectary plant. [ABSTRACT FROM AUTHOR]

The article focuses on a research conducted in order to analyze the genetic variation and phylogeny of the predatory bug, Pilophorus typicus (P. typicus), in Japan. It discusses the sequencing of two portions of the mitochondrial DNA, the cytochrome oxidase subunit I and the cytochrome B genes for analyzing the genetic characteristics of the P. typicus. The study revealed the existence of two genetically distinct groups in P. typicus on the basis of phylogenetic analysis.