Results 31 to 40 of about 10,278 (212)

Coléoptères déprédateurs du cotonnier en Afrique et à Madagascar [PDF]

open access: yes, 1993
Dans cet ouvrage consacré aux coléoptères en Afrique et à Madagascar, pas moins de 160 genres et 300 espèces sont recensés. L'auteur traite des coléoptères déprédateurs du cotonnier en fonction des stades phénologiques de la plante : du semis à la levée,
Couilloud, René
core  

Intraspecific plant chemodiversity at plot level has contrasting effects on arthropod functional groups

open access: yesFunctional Ecology, Volume 39, Issue 12, Page 3732-3750, December 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plant chemistry mediates interactions between plants and their environment. While intraspecific chemodiversity at the individual plant level is well studied, the effects of chemodiversity at the plant community level on arthropod interactions need more attention.
Lina Ojeda‐Prieto   +3 more
wiley   +1 more source

Microbe‐induced resistance involves priming of direct or indirect defenses according to the stage of herbivory

open access: yesNew Phytologist, Volume 248, Issue 6, Page 3256-3269, December 2025.
Summary Microbe‐induced resistance (MIR) encompasses a broad range of plant responses that mediate both direct and indirect defenses against herbivores. However, previous studies have addressed MIR in relation to either direct or indirect defenses in isolation, overlooking potential conflicts or synergies that may arise between MIR‐elicited defense ...
Javier Rivero   +9 more
wiley   +1 more source

Ventilation chez les adultes d’Amblyomma hebraeum et A. marmoreum (Acarina, Ixodidae), vecteurs de la cowdriose en Afrique australe

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1993
Cette étude avait pour but de déterminer les caractéristiques principales de l'échange des gaz respiratoires chez les adultes à jeun des tiques Amblyomma hebraeum et A. marmoreum, vecteurs de la cowdriose en Afrique australe.
L.J. Fielden   +3 more
doaj   +1 more source

Lutte contre la maladie du jaunissement mortel au Ghana : research of resistant varieties among thirty coconut varieties (Cocos nucisfera L.) [PDF]

open access: yes, 2008
Les maladies du jaunissement mortel qui dévastent les cocoteraies sont connues en Amérique Latine et en Afrique. Au Ghana, la maladie est apparue en 1932 dans la zone du Cap Saint Paul. Elle s'est étendue à la Western région qui représente près de 90% de
Allou, Kouassi   +4 more
core  

Ecological factors underlying the spatiotemporal dynamics in a key forest beetle pollinator Facteurs écologiques à la base de la dynamique spatio‐temporelle d'un important coléoptère forestier pollinisateur

open access: yesAgricultural and Forest Entomology, Volume 27, Issue 4, Page 590-599, November 2025.
Eusphalerum, an understudied beetle pollinator in North America, comprises over 50% of beetle specimens collected using flight‐intercept traps in forests across New Brunswick, Canada. In a study investigating its phenology, congeneric aggregation and population dynamics, we demonstrated that Eusphalerum exhibits unique phenology distinct from other ...
Mélodi Lagacé   +3 more
wiley   +1 more source

Integrarea mijloacelor de producție în gospodărirea Ocolului silvic Putna, județul Suceava

open access: yesBucovina Forestieră, 1993
Ocolul Silvic Putna gestionează păduri formate preponderent din specii de rășinoase (molid 42%, brad 19%, fag 38%), context în care apar o serie de probleme legate de controlul dăunărorilor.
Aurel Leuciuc, Gheorghe Lăzărescu
doaj   +2 more sources

Moth Communities Reveal High Stability Despite Ongoing Compositional Shifts Over Five Years Following Hurricane Disturbance

open access: yesEcology and Evolution, Volume 15, Issue 10, October 2025.
We examined the temporal dynamics and ecological stability of tropical forest moth communities using a unique dataset spanning 6 months before and up to 5 years after two extreme hurricanes. While abundance and richness recovered within 2 years, species composition continued to shift, indicating ongoing reassembly with a directional trajectory toward ...
Aura M. Alonso‐Rodríguez   +3 more
wiley   +1 more source

RAVAGIILE CAUZATE DE OMIDA PĂROASĂ A DUDULUI (HYPHANTRIA CUNEA) ÎN MOLDOVA ŞI COMBATEREA CU PREPARATUL ECOLOGIC PUR VIRIN–ABB-3

open access: yesStudia Universitatis Moldaviae: Stiinte reale si ale naturii, 2010
În ţara noastră, de altfel ca şi în Europa, există numeroase specii de insecte care s-au aclimatizat aici, s-au răspândit rapid ocupând progresiv suprafeţe tot mai mari, iar activitatea lor influenţează cel mai adesea negativ ecosistemele în care trăiesc.
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doaj  

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