Results 81 to 90 of about 4,612 (218)

Nuevas especies de chinches patinadoras (Hemiptera: Heteroptera: Gerridae) de Colombia

open access: yesActa Biológica Colombiana, 2018
Se describen dos nuevas especies de los géneros Limnogonus Stål (Gerrinae) y Rheumatobates Bergroth (Rhagadotarsinae) de Colombia. Limnogonus carinatus sp. nov.
Fredy Molano Rendón   +2 more
doaj   +1 more source

Demersal fish assemblages of the Southwest Coast of India [PDF]

open access: yes
Demersal surveys from the southwest coast of India were analyzed to determine the general pattern of distribution of demersal species assemblages in the area.
Kurup, K.N.   +3 more
core  

NUEVOS REGISTROS Y AMPLIACIÓN DE DATOS DE DISTRIBUCIÓN GEOGRÁFICA DE ESPECIES DE GERRIDAE (HEMIPTERA) PARA COLOMBIA.

open access: yesActa Biológica Colombiana, 2010
Se revisaron cinco colecciones entomológicas de Colombia y se registra por primera vez para el país Brachymetra shawi Hungerford & Matsuda 1938, especie que había sido reportada para Guyana, Guyana Francesa, Surinam, Brasil y Bolivia y Potamobates ...
Irina Tatiana Morales Castaño   +1 more
doaj  

Spatio-temporal dynamics of population structure for macro invertebrates families in a continuum dam - effluent - river in irrigated system. Volta Basin (Burkina Faso) [PDF]

open access: yes, 2014
A monthly sampling of benthic macro invertebrates was carried out at the hydro-agricultural dam of Boura in the Volta watershed basin (Burkina) during the period of February through July 2012 in order to describe the structuring of insect succession ...
Cecchi, Philippe   +2 more
core  

Gerridae (Heteroptera: Gerromorpha) de Colombia

open access: yesBiota Colombiana, 2005
La presente contribución amplía el conocimiento que se tiene de las especies de los chinches semiacuáticos de Colombia. Se reportan especies pertenecientes a las Subfamilias: Rhagadotarsinae (1 género), Trepobatinae (5 géneros), Gerrinae (9 géneros) y ...
Fredy Molano-Rendón   +2 more
doaj  

Spatial Diversity in Composition and Structure of Nekton in Ngenep Spring and Its Channels, Karangploso - Malang [PDF]

open access: yes, 2014
Water springs and its channel degradation due to anthropogenic pollution may alter the community structure of aquatic organisms. Water spring degradation tehrefore affect the quality of water as tourism resources.
Hapsari, L. (Lia)   +3 more
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SERANGGA AIR SEBAGAI INDIKATOR BIOLOGIS CEMARAN AIR DI SUNGAI CIKANIKI, DESA CITALAHAB, TN. GUNUNG HALIMUN SALAK, JAWA BARAT

open access: yesRisenologi, 2016
Serangga air adalah kelompok organisme serangga yang sebagian atau seluruh hidupnya berada pada perairan. Beberapa spesies serangga sangat rentan dan sensitif terhadap pencemaran lingkungan, sedangkan yang lainnya dapat hidup dan berkembang biak pada ...
Rani Wulan Suci
doaj   +1 more source

On a new species of intertidal water strider from Brazil (Hemiptera, Gerromorpha, Mesoveliidae)

open access: yes, 1984
This paper deals with the description of a new species of Hemiptera, Gerromorpha, Mesoveliidae, from Marudá, State of Pará, Brazil - Darwinivelia polhemi n. sp.
Carvalho, J.
core  

A new Upper Cretaceous species of Chresmoda from Lebanon - a latest representative of Chresmodidae (Insecta: Polyneoptera inc. sed.): first record of homeotic mutations in the fossil record of insects

open access: yesEuropean Journal of Entomology, 2004
The most recent representative of the semi-aquatic insect family Chresmodidae is described from the Lebanese Cenomanian marine lithographic limestone.
André NEL   +3 more
doaj   +1 more source

Revision of the Ptilomera-Group of the Gerridae, with Descriptions of three New Species (Heteroptera) [PDF]

open access: yes, 1927
During a recent visit to Paris I had the opportunity to examine the collection of Gerridae in the National Museum of Natural History. In this collection I found two very interesting and apparently new species of the Ptilomera-group.
Esaki, Teiso
core  

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