Results 11 to 20 of about 51,080 (292)

Optimization of Artemia Feed Regimes for Larval Giant Kōkopu (Galaxias argenteus)

open access: yesFishes, 2023
Optimizing the initial live feed is critical to success in fish larviculture in terms of both larval health and productivity. It is also vitally important due to the significant cost of provisioning live feeds.
William McKay, Andrew Jeffs
doaj   +1 more source

Measuring and reporting life-cycle duration in insects and arachnids

open access: yesEuropean Journal of Entomology, 2000
Some previous work on arthropod development is insufficiently detailed or incompletely reported. Much of the published information in this area is of limited use for the general analysis of life cycles.
Hugh V. DANKS
doaj   +1 more source

Laju degradasi limbah masker medis surgical dengan menggunakan tingkatan instar larva Tenebrio molitor yang berbeda

open access: yesJurnal Biologi Udayana, 2023
Tujuan penelitian ini adalah untuk mengetahui kemampuan larva T. molitor pada tingkatan instar 4, 6 dan 8 dalam mendegradasi limbah masker medis surgical yang dicampur ampas tahu dan dedak padi serta melihat pertambahan bobot badan larva.
Tri Alma Yunisa S   +2 more
doaj   +1 more source

Gut microbiota is a potential factor in shaping phenotypic variation in larvae and adults of female bumble bees

open access: yesFrontiers in Microbiology, 2023
Host symbionts are often considered an essential part of the host phenotype, influencing host growth and development. Bumble bee is an ideal model for investigating the relationship between microbiota and phenotypes.
Baodi Guo   +6 more
doaj   +1 more source

Ontogenetic development and reproduction of Zorocrates guerrerensis (Araneae: Zoropsidae)

open access: yesArachnologische Mitteilungen, 2018
Zorocrates guerrerensis Gertsch & Davis, 1940 is a Mexican cribellate spider with almost no information about its biology. As the species could potentially be of medical interest, it was decided to study basic aspects of its life history under laboratory
Dolejš, Petr, Hanko, Mojmír
doaj   +1 more source

Preliminary field study of the life cycle parameters of the brown marmorated stink bug Halyomorpha halys (Stål, 1855) (Hemiptera: Pentatomidae) in Bulgaria [PDF]

open access: yesJournal of Central European Agriculture
The brown marmorated stink bug (Halyomorpha halys (Stål, 1855) is an invasive species that has entered Europe and has quickly managed to spread to most European countries.
Mariya HRISTOZOVA, Adelina HARIZANOVA
doaj   +1 more source

A Comparison of Three Approaches for Larval Instar Separation in Insects—A Case Study of Dendrolimus pini

open access: yesInsects, 2019
The number of larval instars is important from both theoretical and practical perspectives. Three previous studies based on head capsule widths (HCWs) have suggested that Dendrolimus pini larvae pass through seven instars, but the estimated HCW means ...
Lidia Sukovata
doaj   +1 more source

Number of larval instars and sex-specific plasticity in the development of the small heath butterfly, Coenonympha pamphilus (Lepidoptera: Nymphalidae)

open access: yesEuropean Journal of Entomology, 2006
The number of larval moults, larval head capsule width and pupal weight were investigated in both direct-developing and diapausing individuals of a South-West European population of Coenonympha pamphilus.
Enrique GARCÍA-BARROS
doaj   +1 more source

Improved Monitoring of Grapholita molesta (Lepidoptera: Tortricidae) in Stone Fruit Orchards with a Pheromone-Kairomone Combination Lure

open access: yesInsects, 2020
Monitoring oriental fruit moth Grapholita molesta Busck (Lepidoptera: Tortricidae), populations based on counts in sex pheromone-baited traps within sex pheromone-treated orchards for mating disruption (MD) is challenging since male orientation to traps ...
Michele Preti   +2 more
doaj   +1 more source

Relative preference and demographic parameters of Encarsia formosa Gahan against Trialeurodes vaporariorum (Westwood)

open access: yesEgyptian Journal of Biological Pest Control, 2021
Background The greenhouse whitefly, Trialeurodes vaporariorum (Westwood) (Hemiptera: Aleyrodidae), is a cosmopolitan, polyphagous and a serious pest of vegetables and ornamentals in greenhouse.
Anamika Walia   +4 more
doaj   +1 more source

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