Search results for “Larva”

About 18 results in articles

Open Access Pub publishes peer-reviewed, free-to-read open-access articles. Showing articles matching Larva — open any to read the full text, or download the PDF or XML.

Increased Reaction Vessel Surface Area Decreases the Overall Mortality Rate of Rana catesbeiana Larvae during Chemically Induced Metamorphosis

Sep 2024 DOI 10.14302/issn.2694-2275.jzr-24-5256
Jeffrey O. HendersonCorresponding author

Stimulating precocious metamorphosis in anuran larvae is an important pedagogical tool for understanding vertebrate development. However, historically, artificially provoking metamorphosis by immersing tadpoles in exogenous inducing agents (e.g., thyroxine, and iodine) compromises the longevity of t…

Effect of Bio-Controlling Methods (Proplis and Bacteria) on the 3rd_larval Instar of Galleria mellonella (Lepidoptera: Pyralidae)

Feb 2023 DOI 10.14302/issn.2639-3166.jar-22-4389
Abubaker Haroun Mohamed AdamCorresponding author

The greater wax moth (Galleria mellonella L.) is one of the most destructive insect pests that threaten apiculture. Laboratory experiments were conducted in the Research Laboratory, College of Agricultural Studies, Sudan University of Science and Technology during the period from the 2nd_ of April t…

Cutaneous Myiasis Caused by Tumbu Fly Larvae Infestation in an Infant: A Case Report

Mar 2022 DOI 10.14302/issn.2690-4837.ijip-22-4080
O AmaewhuleCorresponding author Department of Paediatrics, University of Port Harcourt Teaching Hospital. Nigeria.

Myiasis is a parasitic infestation of the body of a mammal caused by Cordylobia Anthropophaga (Tumbu fly) larvae. The infestation is prevalent in Sub-Saharan Africa, South-East Mexico and Central America. It is usually seen among rural dwellers and has no age or sex predilection. We report a case of…

Effects of the Level and Frequency of Fertilization with hen Droppings on Zooplanktonic Density and Growth Performance of Common Carp Post-Larvae (CyprinusCarpio)

Jul 2020 DOI 10.14302/issn.2691-6622.ijar-20-3490
Nsangou Amidou KpoumieCorresponding author Department of Animal Sciences, University of Dschang, Cameroon

Zooplankton production and growth performance of post-larvae of common carp according to the level and frequency of fertilization with chicken droppings were studied between May and October 2017 at the IRAD pisciculture station in Foumban. To this end, two doses of hen droppings, namely 450 g/m3 (D4…

Impact if Chlorpyrifos on the Second Instar Mosquito Larvae as Bioindicator in El-Beheira Governorate, Egypt

Mar 2020 DOI 10.14302/issn.2691-3208.ijli-20-3268
EH RadwanCorresponding author

Pesticides are the major source of concern as water pollutants. Chlorpyrifos (CPY) (O,O-diethyl-O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate; CAS No. 2921-88-2). CPY is a widely used organophosphate insecticide. The aim of current study was to determine the effects of CPY on the second instar la…

Retracted: Impact of Chlorpyrifos on Mosquito Larvae as Bioindicator in El-Beheira Governorate, Egypt.

Oct 2019
Radwan EHCorresponding author Department of Zoology, Faculty of Science, Damanhour University, Egypt.

Pesticides are the major source of concern as water pollutants. Persistent organochlorines can accumulate in food chains. Chlorpyrifos (O,O -diethyl O -(3,5,6-trichloro-2-pyridinyl) phosphorothioate; CAS No. 2921-88-2; CPY). CPY is a widely used organophosphorus insecticide that is available in a gr…

Spatial misalignment of micro-environmental hazards: how containers drive mosquito risk in New Orleans

Sep 2026
Imelda K. MoiseCorresponding author

Mosquito-borne risk in Gulf Coast cities is often attributed to broad environmental pressures, yet the extent to which parcel-level conditions drive standing water and larval habitats remains uncertain. This study analyzes environmental predictors of mosquito-relevant indicators across New Orleans u…

Distribution and Conservation Challenges of Diurnal Large Mammals in Bayo Community Managed Forest, Salamago Woreda, South Omo Zone, Southern Ethiopia

Jun 2023 DOI 10.14302/issn.2694-2275.jzr-23-4483
Tamirat HaileCorresponding author

An ecological study on diurnal mammals was carried out in Bayo Community Managed Forest located in Salamago Woreda, South Omo Zone. The objective of the study was to investigate the distribution and conservation challenges of diurnal large mammals in the study area. Based on the habitat type and top…

Efficacy of Carumcarvi L. (Caraway), Eculaptuscamaldulensisdehnh (Red Gum) Andnigella Sativa (Black Seed) Against Greater Wax Mothgalleria Mellonellal.Innaeus (Lepidoptera:Pyralidae)

Sep 2022 DOI 10.14302/issn.2639-3166.jar-22-4247
Abubaker Haroun Mohamed AdamCorresponding author

The greater wax moth considered one of the most worldwide-spread pests of the bee wax. This Study was designed to investigate the insecticidal activity of Carumcarvi, Eculaptus camaldulensis and Nigella sativa against 3rd larval instar of G.mellonellathrough laboratory screening. Five concentrations…

The Biology of Fall Army Worm (Spodopterafrugiperda. J. E. Smith) in Sudan

Aug 2021 DOI 10.14302/issn.2639-3166.jar-21-3858
Abubaker Haroun Mohamed AdamCorresponding author

The Fall armyworm (Spodoptera frugiperda) is considered among the economic important pests in Sudan. Therefore, it became necessary to study and understand its biology and find out the appropriate control measure (s). To achieve the above objective, experiments based on Randomized Complete Block Des…

The Efficacy of Some Plants Extracts on Fallarmyworm (Spodopterafrugiperda, J.E. Smizh) in Sudan

Jun 2021 DOI 10.14302/issn.2639-3166.jar-21-3857
AbubakerHaroun Mohamed AdamCorresponding author

The Fall armyworm worm (FAW) (Spodopterafrugiperda) is one of the important economic pests which goes on several field crops and causes serious damage. The aim of this study was to look for efficient, less cost and environmentally friend plant extract for controlling Fall armyworm worm in cereal cro…

Insecticidal Activity of Cyperus rotundus L. and Datura stramonium L. Co-Administered with Sesame Oil Against African Bollworm Helicoverpa armigera Hübner (Lepidoptera: Noctuidae)

Jun 2021 DOI 10.14302/issn.2639-3166.jar-21-3816
Waleed Elamin ElhajCorresponding author

African bollwormis a worldwide-spread species that shows a high degree of polyphagia and it is considered as one of the main agricultural pests in the world. Laboratory experiments were conducted in the Research Laboratory, College of Agricultural Studies, Sudan University of Science and Technology…

Efficacy of Ricinus communis L., Cassia occidentalis L. and Bacillus thuringiensis against Helicoverpa armigera Hübner (Lepidoptera: Noctuidae)

Jun 2021 DOI 10.14302/issn.2639-3166.jar-21-3817
Waleed Elamin ElhajCorresponding author

Helicoverpaarmigera is one of the most destructive pests of field crops worldwide. The Study was designed to investigate through laboratory screening the insecticidal activity of Ricinus communis, Cassia occidentalis and Bacillus thuringiensis var. Kurstaki (Btk) and their combinations against 2nd l…

Survival Rate and Growth Performances on Pre-Grossing of the African Cyprinidae LabeobarbusBatesii (Boulenger, 1903) According to the Level of Dietary Protein

Nov 2020 DOI 10.14302/issn.2691-6622.ijar-20-3605
Amidou Kpoumie NsangouCorresponding author

In order to contribute to the domestication of Labeobabusbatesii, the survival and growth performances in pre-grossing according to the dietary protein level were studied between January and April 2020. A total of 400 fry (0.8 ± 0.02g), divided into four batches and distributed randomly in 8 happas…

Effectiveness of Endoparsitoid Wasp AenasiusArizonensis (Girault) as a Successful Bio-Control of Cotton Mealy Bug, PhenacoccusSolenopsis Tinsley, in Khartoum State, Sudan.

Jun 2019 DOI 10.14302/issn.2639-3166.jar-19-2858
Abubaker Haroun Mohamed AdamCorresponding author

The objective of this study was to evaluate the effectiveness of endophagous Encyrtid parasitic wasp Aenasiusarizonensis (Girault) (Hymenoptera, Chalcidoidea), as a natural enemy for controlling the Mealybug, Phenacoccussolenopsis Tinsley (Hemiptera: Pseudococcidae). Where a Randomized Complete Bloc…

Biolarvicidal Potentials of the Methanolic-Leaf-Extracts of Selected Tropical Plant Species

Apr 2019 DOI 10.14302/issn.2641-7669.ject-19-2730
Ayodele A. OyedejiCorresponding author

The global impact of malaria and challenges encountered during its control have necessitated the application of multifaceted strategies, including the application of plant-derived agents. Amidst these challenges the proliferation of the vector is becoming hyperendemic in tropical region. This resear…

The Effects of Zanzalacht on the Gonotrophic cycle of the Adult House fly Musca Domestica

Feb 2019 DOI 10.14302/issn.2637-6075.jpae-19-2586
E H RadwanCorresponding author Zoology department, Faculty of Science, Damanhour University, Egypt.

Melia azedarach extract were applied by feeding the adult female flies on diets mixed with the extracts at different doses. The concentrations of Melia azedarach utilized were 1.8, 2.4 and 3.6%. The gonotrophic cycles of length of 90, 753, 67.6 and 84, 72, 68 hours were obtained after feeding at age…

An Update on Hemocytes in Biomphalaria Snails

May 2016 DOI 10.14302/issn.2372-6601.jhor-14-401
Bernard FriedCorresponding author

The hemocyte is a major immunological cell of molluscs. Much of the immunological phenomena associated with molluscan immunology can be attributed to cellular immunity associated with these cells suspended in the hemolymph. These cells are often referred to as amoebocytes or hemocytes. Such cells ar…

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