We report precision Doppler measurements of three intermediate–mass subgiants obtained at Lick and Keck Observatories. All three stars show variability in their radial velocities consistent with planet–mass companions in Keplerian orbits. We find a planet with a minimum mass MP sin i = 2.5 MJup in a 351.5 day orbit around HD192699, a planet with a minimum mass of 2.0MJup in a 341.1 day orbit ar...

Control females of the twospotted stink bug, Perillus bioculatus (F.), and those given an artiÞcial diet mated repeatedly over their lifetimes when held with males. The average number of observed matings was 4 and 8.4 in the controls and those given the artiÞcial diet, respectively. Mating and an adequate diet are prerequisites for laying a full compliment of eggs in this insect. Virgins laid a...

A key characteristic of highly social animals is collective group response to important stimuli such as invasion by enemies. The marine societies of social snapping shrimp share many convergences with terrestrial eusocial animals, including aggressive reaction to strangers, but no group actions have yet been observed in shrimp. Here we describe 'coordinated snapping', during which a sentinel sh...

Oebalus poecilus (Dallas) is an important pest affecting irrigated rice in Rio Grande do Sul, Brazil. It hibernates during the coldest months of the year in refuges such as bamboo litter. This study examined O. poecilus hibernation to determine the causes of mortality during this period. The study was conducted in a 140 m(2) bamboo plantation located in a rice-growing area in Eldorado do Sul Co...

Terrestrial orchids represent a wide diversity of species that are characterised by an equally diverse range of life history attributes. Threatened and endangered species of terrestrial orchids have been identif ed on all continents where they occur and conservation plans have been developed for some species. Even though there is a considerable amount of information on the ecology of terrestria...

,4bstract.--This article is a continuation of the previous one by the authors on the same subject. With the aid of additional data, •t is once more found that the quantities a and b in the formula Q=aq-b $ vary with sunspot activity, and apparently also with time; Q is the measure of magnetic activity, and S that of solar activity. The parameter a varies directly, and b inversely with sunspot a...

Surveys for egg-parasitoid wasps were conducted in Rafsanjan, Iran, on two species of Pentatomidae (Hemiptera) found pistachio orchards, Acrosternum arabicum Wagner and Brachynema signatum Jakovlev. Five Scelionidae (Platygastroidea) recovered, including one that is here described as new: Psix saccharicola (Mani), Trissolcus colemani (Crawford), T. darreh Talamas sp. nov. , perepelovi (Kozlov),...

Edessa is comprised of six subgenera, Aceratodes, Ascra, Dorypleura, Edessa, Hypoxys and Pygoda. Ascra is here elevated to genus status based on characteristics of the male and female genitalia and the gibbous pronotum. This genus is comprised of eight species previously placed in Edessa-E. bifida, E. cordifera, E. petersii, E. abdita, E. championi, E. privata, E. conspersa and E. morbosa, as w...

Euschistus servus (Say), Chinavia hilaris (Say), and Nezara viridula (L.) (Hemiptera: Pentatomidae) are economic pests of row crops. They move within and between closely associated crop and non-crop habitats throughout the growing season in response to deteriorating suitability of their current host plants. This study was conducted to investigate parasitism of naturally occurring C. hilaris and...

Exclusion cages were used to compare the incidence and severity of feeding injury from brown marmorated stink bug, Halyomorpha halys (Stål) (Hemiptera: Pentatomidae), on ‘Redhaven’ peaches, ‘Golden Delicious’ apples, and ‘Smoothee Golden’ apples at harvest, following sequential periods of exposure to natural H. halys populations during the 2011 and 2012 growing seasons in Virginia. The fruit us...