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Digestive Enzyme System of Larvae of Different Freshwater Teleosts and Its Differentiation during the Initial Phase of Exogenous Feeding
digestive system larvae freshwater fish digestive enzymes histology
2018/3/5
Activities of digestive enzymes and main histological characteristics of the intestine were investigated in larvae
of three salmonid species (Coregonus maraena, C. atterensis, Thymallus thymallus), o...
Wimps or warriors?Honey bee larvae absorb the social culture of the hive,study finds
Wimps warriors Honey bee larvae social culture the hive
2015/11/12
Even as larvae, honey bees are tuned in to the social culture of the hive, becoming more or less aggressive depending on who raises them, researchers report in the journal Scientific Reports.“We are i...
Effect of size sorting on the survival, growth and cannibalism in pikeperch (Sander lucioperca L.) larvae during intensive culture in RAS
pikeperch larvae sorting RAS growth survival cannibalism
2015/6/9
The aim of the experiment was to determine the impact of sorting on the growth, survival, and cannibalism of pikeperch larvae during intensive culture in recirculation systems. Larvae aged 48 days pos...
Intensive rearing of the nase Chondrostoma nasus (L.) larvae using dry starter feeds and natural diet under controlled conditions
nase larvae feeding
2015/6/1
We performed intensive rearing of larvae of the nase Chondrostoma nasus (L.) in a feeding experiment until 21 days from the initiation of exogenous nutrition under laboratory conditions at a temperatu...
Migratory dynamics of cyathostomin larvae in a Bermuda grass pasture in South America
Keywords:Cyathostominae infective larvae irrigation seasons
2015/4/15
Studies of the migratory dynamics of cyathostomin infective larvae (L3) in different seasons and with two types of irrigation were carried out over 12 months (September 2006 to September 2007) in the ...
Which factors explain lepidopteran larvae variance in seasonal guilds on some oaks?
cluster analysis DCA history-life traits of lepidopteran larvae oaks seasonal guilds
2015/3/20
Differences between the oak lepidopteran communities were studied in Slovakia in 1993 and 1994. Sampling was undertaken between April and October on 3 oak species. Biological traits of larvae were exa...
How to identify larvae of the protected species: Dioszeghyana schmidtii (Diószeghy 1935), and survey its presence and abundance (Lepidoptera: Noctuidae; Hadeninae)
beating method Dioszeghyana schmidtii Habitats Directive 92/43/EEC larvae identification lepido-ptera
2015/3/20
Dioszeghyana schmidtii (Dighy 1935), is forest species protected by European Union. Its distribution has been studied essentially by the use of light traps. However, its biology and habitat p...
Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae) – Part 2. Larvae and this year’s beetles
generation conditions natural enemies harmfulness
2015/3/6
The second part of the paper deals with the development and harmfulness of larvae and maturation feeding of this year’s beetles of Galerucella lineola (F.) before leaving for winter habitats. Embryoge...
The Potential of Beauveria brongniartii and Botanical Insecticides Based on Neem to Control Otiorhynchus sulcatus Larvae in Containerised Plants – Short Communication
Otiorhynchus sulcatus Beauveria brongniartii
2015/3/2
Otiorhynchus sulcatus is considered as an important pest of strawberry fields and on potted ornamental plants.
The efficacy to control this pest by new Polish products containing azadirachtin and th...
Influence of baculovirus AdorGV on the mortality of larvae and pupae of summer fruit tortrix Adoxophyes orana in laboratory conditions
summer fruit tortrix Adoxophyes orana AdorGV mortality larvae pupae
2015/3/1
The mortality of larvae and pupae of Adoxophyes orana was examined by keeping larvae of each larval instar (L1–L5) on an artificial diet in laboratory conditions. Larvae were infected by using an arti...
Potential insecticidal activity of extracts from 18 species of medicinal plants on larvae of Spodoptera littoralis – Short Communication
plant extract medicinal plants Spodoptera littoralis insecticidal activity
2015/1/30
Insecticidal activity of methanol extracts from 18 species of medicinal plants was tested on 3rd instar larvae of the Egyptian cottonworm (Spodoptera littoralis). All extracts were toxic to larvae. Ex...
Effect of climatic influences on the migrations of infective larvae of Cyathostominae
Cyathostominae horse migration infective larva
2015/1/28
Migration to herbage of Cyathostominae from experimentally deposited fresh or incubated faecal samples containing a known number of cyathostome L3 was studied in the Czech Republicfor up to 1 year. It...
Effects of Helicoverpa armigera Nucleopolyhedrosis Virus (HaNPV) on the Larvae of the Diamondback Moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae)
DBM HaNPV LC50 LT50 biological parameters
2015/3/11
Laboratory studies were performed to determine the insecticidal activity of baculovirus against diamondback moth,
Plutella xylostella. The nucleopolyhedrosis (HaNPV) was tested against 2nd instar la...
What is the percentage of pathogenic boreliae in spirochaetal findings of mosquito larvae?
mosquito larvae spirochaetal positivity
2010/12/22
In this study, larvae (1,179 ex.) of mosquito genera Culex were examined for the presence of spirochaetes by Dark Field Microscopy (DFM) at the locality of Blansko (Czech Republic) in of 2004–2008. DF...
Development of an Automatic Silkworm Larvae Hemolyph Collection System by Infrared Laser Beam Incision Technique
insect factory baculovirus NPV
2009/9/10
To establish an insect factory for mass production of useful substances using silkworms, the author developed a silkworm hemolymph collection system to efficiently collect hemolymph from 5th-instar la...