Results 71 to 80 of about 19,039 (229)

Observaciones adicionales sobre Ichthyocephalus victori García et Fontenla, 2002 (Nematoda: Ichthyocephalidae) de Puerto Rico

open access: yesNovitates Caribaea, 2018
Se ofrecen datos adicionales y detallados sobre la cutícula, estructura y extensión de las microtricas, extremo cefálico, disposición de las papilas copulatorias precloacales y espículas de los ejemplares machos de Ichthyocephalus victori García et ...
Nayla García Rodríguez   +2 more
doaj   +1 more source

Influence of surfactant HLB values and commercial agricultural adjuvants on pesticide mimic penetration in plant leaves

open access: yesPest Management Science, EarlyView.
Penetration of a pesticide mimic into a spring onion leaf due to the presence of a surfactant additive. Abstract BACKGROUND Effective pesticide action is crucial for optimizing efficacy and minimizing environmental impact, particularly with the increasing reliance on systemic pesticides.
Begüm Demirkurt   +2 more
wiley   +1 more source

Breve revisión sobre características de la cutícula vegetal y penetración de herbicidas

open access: yesCiencia, Docencia y Tecnología, 2006
Se presenta una breve revisión sobre las características de la cutícula de las plantas y su relación con la penetración de los herbicidas, así como los factores que afectan dicha penetración.
María del C. Lallana   +3 more
doaj  

Potential of Beauveria bassiana in the control of Euschistus crenator (Hemiptera: Pentatomidae) and selectivity to the parasitoid Telenomus podisi (Hymenoptera: Scelionidae)

open access: yesPest Management Science, EarlyView.
Entomopathogenic fungi effectively suppressed the emerging soybean pest Euschistus crenator, with isolates LCMAP106, UFSM‐01 and a commercial bioinsecticide achieving the highest mortality. These agents did not reduce parasitism or survival of the egg parasitoid Telenomus podisi, highlighting their potential for integration into environmentally ...
Paulo Henrique Martins da Silva   +2 more
wiley   +1 more source

Estudos histológicos das células glandulares dos insetos peçonhentos: IV parte: as cerdas dos espinhos da largata de Sibine nesea

open access: yesMemorias do Instituto Oswaldo Cruz, 1956
Descreve-se o órgão urticante das "verugas" do corpo da largata de Sibine nesea. O órgão é formado por uma evaginação da parede do corpo, em forma de um pêlo forte.
Rudolf Barth
doaj   +1 more source

Tres Entoloma poc coneguts de boscos de caducifolis inundables de Catalunya [PDF]

open access: yes, 1998
Es descriuen, comenten i iconografien tres espècies del gènere Entoloma trobades en boscos de caducifolis i de ribera semiinundats, amb Fraxinus, Sa/ix i A/nus. Es tracta d'E. caccabus (Kühner) Noordel ., E. parkensis (Fr.) Noordel. i E.
Carbó i Pericay, Joaquim   +1 more
core  

Cretaceous lacewing larvae with binocular vision demonstrate the convergent evolution of sophisticated simple eyes

open access: yesInsect Science, EarlyView.
We report three ca. 100 million‐year‐old lacewing larvae with extraordinarily large stemmata. One of them additionally has a very wide head, which represents a previously unknown morphology. The arrangement of the stemmata indicates stereoscopic vision in these predatory larvae.
Carolin Haug   +9 more
wiley   +1 more source

Structure of Kalanchoë pumila Bak. leaves (Crassulaceae DC.)

open access: yesActa Agrobotanica, 2012
The structure of Kalanchoё pumila Bak. was studied with the use of stereoscopic, light, scanning and transmission electron microscopy. It was found that the chlorenchymatic tissue was divided into subepidermal small-celled mesophyll and large-celled ...
Mykhaylo Chernetskyy   +1 more
doaj   +1 more source

El Género Melanoleuca pat., en las Islas Baleares (España). I. [PDF]

open access: yes, 2016
El genre Melanoleuca Pat., a les Illes Balears (Espanya). I. Se citen onze tàxons dins del gènere Melanoleuca Pat., dels quals vuit són nova citació per a les Illes Balears: M. grammopodia f. macrocarpa Boekhout, M.
Joan Carles Salom   +3 more
core   +1 more source

The predatory behavior of ants: an impressive panoply of morphological adaptations

open access: yesInsect Science, EarlyView.
This review focuses on predation in ants, showing the wide diversity of cases from solitary foraging to group hunting tactics, as well as the evolution of mandible shape frequently adapted to capture specific prey. Although most ants are generalist feeders, finding their sugary substances directly on plants or indirectly via sap‐sucking insects, some ...
Alain Dejean   +6 more
wiley   +1 more source

Home - About - Disclaimer - Privacy