Results 31 to 40 of about 4,612 (218)

Identifikasi Predator Tanaman Padi (Oryza Sativa) pada Lahan yang Diaplikasikan dengan Pestisida Sintetik [PDF]

open access: yes, 2018
Predator merupakan golongan makhluk hidup yang paling penting sebagai pengendali kehidupan organisme pada tanaman, tiap predator akan memakan banyak mangsa sepanjang hidupnya.
Fitriani, F. (Fitriani)
core   +2 more sources

Dispersal and reproductive responses of the water strider, Aquarius paludum (Hemiptera: Gerridae), to changing NaCl concentrations

open access: yesEuropean Journal of Entomology, 2007
The responses of females of the water strider, Aquarius paludum, to changes in NaCl concentration were examined in the laboratory. The insects were sampled seasonally in 2002 and 2003 at two reservoirs in Kochi, Japan, connected by a waterway, one at the
Manabu KISHI   +2 more
doaj   +1 more source

Geographical distribution of three oceanic Halobates spp. and an account of the behaviour of H. sericeus (Heteroptera: Gerridae)

open access: yesEuropean Journal of Entomology, 2005
Halobates spp. are the only insects inhabiting the open sea. One sea skater species, Halobates sericeus, was collected at 18 locations in the East China Sea area (27°10´N- 33°24´N, 124°57´E-129°30´E), and H. micans and/or H.
Tetsuo HARADA
doaj   +1 more source

Female Fighting and Host Competition Among Four Sympatric Species of \u3ci\u3eMelittobia\u3c/i\u3e (Hymenoptera: Eulophidae) [PDF]

open access: yes, 2018
Melittobia is a genus of parasitic wasps well known for high levels of inbreeding and violent male combat. Casual observations of groups of sisters of M.
Deyrup, Leif D, Matthews, Robert W
core   +2 more sources

On angled bounce-off impact of a drop impinging on a flowing soap film [PDF]

open access: yes, 2017
Small drops impinging angularly on thin flowing soap films frequently demonstrate the rare emergence of bulk elastic effects working in-tandem with the more common-place hydrodynamic interactions. Three collision regimes are observable: (a) drop piercing
Bandi, M M   +3 more
core   +4 more sources

First report for the Neotropics of predation by the waterscorpion Ranatra (Hemiptera: Nepidae) on a member of Gerromorpha (Hemiptera)

open access: yesCuadernos de investigación UNED, 2013
The water scorpion Ranatra pittieri was observed preying on an adult of the water strider Eurygerris flavolineatus in a closed laboratory system. This is the first report for the Neotropics of the predation by a member of the infraorder Nepomorpha on a ...
Federico Herrera
doaj   +1 more source

New records of Gerromorpha (Insecta: Hemiptera: Heteroptera) from Costa Rica [PDF]

open access: yesCheck List, 2014
The Gerromorpha from Costa Rica are poorly studied, except the Gerridae. Aiming to fill this gap, specimens collected across the country were examined. Lipogomphus leucostictus, Hydrometra alloiona, H. australis, H.
Bernald Pacheco-Chaves   +2 more
doaj   +3 more sources

Las chinches semi-acuáticas de la reserva natural Río Ñambí (Nariño), Colombia

open access: yesActa Biológica Colombiana, 2016
En la Reserva Natural Río Ñambi, ubicada en la vertiente del pacífico de los Andes de Colombia, región del Chocó biogeográfico, se estudió la composición de las chinches semiacuáticas.
Dora Nancy Padilla Gil
doaj   +1 more source

Concurrent Phenologies of Three Semiaquatic Bugs (Heteroptera: Gerridae, Veliidae) on a Small River in Central Illinois, USA

open access: yesPsyche: A Journal of Entomology, 2009
The phenology of three species of Gerroidea (Heteroptera), Metrobates hesperius Uhler (Gerridae), Rhagovelia oriander Parshley (Veliidae), and Rhematobates tenuipes Meinert (Gerridae), was studied on a river in central Illinois (USA).
Steven J. Taylor
doaj   +1 more source

Comparison of Two Population Sampling Methods Used in Field Life History Studies of \u3ci\u3eMesovelia Mulsanti\u3c/i\u3e (Heteroptera: Gerromorpha: Mesoveliidae) in Southern Illinois [PDF]

open access: yes, 2018
A field life history study of Mesovelia mulsanti was conducted in south­ern Illinois, the results of which are compared with those from an earlier study also conducted in southern Illinois.
McPherson, J. E, Taylor, Steven J
core   +2 more sources

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