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19 results for “frass”
Canopy gradient frass from the Coweeta Hydrologic Laboratory from 1996 to 1998
Insect frass was collected for more than two years along an elevation gradient at Coweeta Hydrologic Laboratory.
Data from: What goes in must come out? The metabolic profile of plants and caterpillars, frass, and adults of Asota (Erebidae: Aganainae) feeding on Ficus (Moraceae) in New Guinea
<p>Insect herbivores have evolved a broad spectrum of adaptations in response to the diversity of chemical defences employed by plants. Here we focus on two species of New Guinean Asota and determine how these specialist moths deal with the leaf alkaloids of their fig (Ficus) hosts. As each focal Asota species is restricted to one of three chemically distinct species of Ficus, we also test whether these specialized interactions lead to similar alkaloid profiles in both Asota species. We reared Asota caterpillars on their respective Ficus hosts in natural conditions and analyzed the alkaloid profiles of leaf, frass, caterpillar, and adult moth samples using UHPLC–MS/MS analyses. We identified 43 alkaloids in our samples. Leaf alkaloids showed various fates. Some were excreted in frass or found in caterpillars and adult moths. We also found two apparently novel indole alkaloids likely synthesized de novo by the moths or their microbiota—in both caterpillar and adult tissue but not in leaves or frass. Overall, alkaloids unique or largely restricted to insect tissue were shared across moth species despite feeding on different hosts. This indicates that a limited number of plant compounds have a direct ecological function that is conserved among the studied species. Our results provide evidence for the importance of phytochemistry and metabolic strategies in the formation of plant–insect interactions and food webs in general. Furthermore, we provide a new potential example of insects acquiring chemicals for their benefit in an ecologically relevant insect genus.</p>
Supplementary files to "Impact of Heat Treatment on the Microbiological Quality of Frass Originating from Black Soldier Fly Larvae (Hermetia illucens)"
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Fig. 1. Plagiosaurid Plagiosternum granulosum Frass, 1889 in The Pustulated Temnospondyl Revisited-a Plagiosternine Plagiosaurid from the Lower Triassic of Brazil
Fig. 1. Plagiosaurid Plagiosternum granulosum Frass, 1889 from the Middle Triassic of Germany. A. Schematic line drawing, modified from Damiani et al. (2009); the gray area shows the presumable anatomic correspondence between MCN PV 1999 and P. granulosum. Not to scale. B. Line drawing of MCN PV 1999, Plagiosterninae indet. from the Lower Triassic Sanga do Cabral Formation (Paraná Basin, Southern Brazil). C. Photograph of MCN PV 1999 with its presumable anatomic correspondence to P. granulosum.
Abb. 3 in Frass von Tropiphorus elevatus (Herbst, 1795) (Coleoptera, Curculionidae) an Bärlauch
Abb. 3. Tropiphorus elevatus am Tag beim Frass an Bärlauch im Habitat bei Schiers im April 2014. (Foto Daniel Bolt)
Data from: What goes in must come out? The metabolic profile of plants and caterpillars, frass, and adults of Asota (Erebidae: Aganainae) feeding on Ficus (Moraceae) in New Guinea
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Examining the potential effects of phytophagous insect frass on forest nitrogen cycling at the Coweeta Hydrologic Laboratory from 1999 to 2001
Human alteration of the global nitrogen cycle has increased the importance of understanding the major sources, sinks, and fluxes of the cycle within natural ecosystems. One poorly understood component of the nitrogen cycle in forest ecosystems is the contribution of phytophagous insect frass on soil N-cycling dynamics. This study proposes to investigate the influence of frass on (1) the dynamics of soil N-cycling; (2) the loss of N from the ecosystem via leaching; (3) the slow cycle decomposition of post-herbivore leaf litter; and (4) the overall potential of soil near the Coweeta Hydrologic Laboratory to retain nitrogen. Red Oak (Quercus rubra [Fagaceae]) saplings will be subjected to defoliation by the seasonal phytophagous insect larvae of the White-Marked Tussock Moth (Orgyia leucostigma [Lepidoptera: Lymantriidae]) and the frass added to the soil in a factorial, controlled experimental design. Soil nutrient concentrations, leachate nutrient concentrations, "soil" respiration, and leaf quality will be measured. The project is expected to increase our understanding of the complex relationship between above-ground and below-ground nitrogen cycling dynamics as well as inform the current debate concerning the relative impacts and importance of human versus natural alterations to the nitrogen cycle.
Effect of different feeding substrates on the production of in-sect-derived frass fertilizers for effective alleviation of ammonium (NH4+) toxicity - Raw Data and Supplementary Materials
<p>Raw data and Supplementary Materials for the submitted Article Titled: "Effect of different feeding substrates on the production of in-sect-derived frass fertilizers for effective alleviation of ammonium (NH4+) toxicity". Submitted to Agronomy-Basel MDPI. </p>
Proximate Chemical Analyses of Black Soldier Fly Frass (BSFF), Common House Cricket Frass (CHCF), and NPK 15:15:15 Granulated Slow-Release Fertilizers, Universiti Sains Malaysia Plant House Top Soil, and all Post-harvest Soils of applied Fertilizers.
<p>Proximate Chemical Analyses of Black Soldier Fly Frass (BSFF), Common House Cricket Frass (CHCF), and NPK 15:15:15 Granulated Slow-Release Fertilizers, Universiti Sains Malaysia Plant House Top Soil, and all Post-harvest Soils of applied Fertilizers. </p>
Common House Cricket Frass (CHCF) Fertilizer - Shoot Growth Parameters (mm) and Post-harvest Fresh and Dry Biomasses (g) Amaranthus tricolor – Agronomy-Basel MDPI 2022.
<p>1. Raw datasets for the measurements of the shoot growth parameters (mm) of Amaranthus tricolor; heights (mm), leaf lengths (mm), leaf widths (mm), shoot widths (mm), stem widths (mm), root lengths (mm), root widths (mm), and number of leaves. </p> <p>2. Raw datasets for the measurements of the post-harvest fresh and dry biomasses (g) of Amaranthus tricolor; total fresh weights (g), total dry weights (g), shoot fresh weights (g), shoot dry weights (g), stem fresh weights (g), stem dry weights (g), leaf fresh weights (g), leaf dry weights (g), root fresh weights (g), root dry weights (g). </p>
Black Soldier Fly Frass (BSFF) Fertilizer - Shoot Growth Parameters (mm) and Post-harvest Fresh and Dry Biomasses (g) Amaranthus tricolor – Agronomy-Basel MDPI 2022.
<p>1. Raw datasets for the measurements of the shoot growth parameters (mm) of Amaranthus tricolor; heights (mm), leaf lengths (mm), leaf widths (mm), shoot widths (mm), stem widths (mm), root lengths (mm), root widths (mm), and number of leaves. </p> <p>2. Raw datasets for the measurements of the post-harvest fresh and dry biomasses (g) of Amaranthus tricolor; total fresh weights (g), total dry weights (g), shoot fresh weights (g), shoot dry weights (g), stem fresh weights (g), stem dry weights (g), leaf fresh weights (g), leaf dry weights (g), root fresh weights (g), root dry weights (g). </p>
Still-air olfactometer responses of Argentine Stem Weevil to odours from ryegrass, frass, and conspecifics in New Zealand
<p>This dataset contains data from two still-air olfactometer trials, one on diapausing Argentine stem weevils (Listronotus bonariensis) and one on reproductive, gravid, weevils. It also contains dissection data on the weevils that made a choice in the olfactometer. This data set is associated with the manuscript:</p> <p><span>Vereijssen J, Rosta´ s M, van Tol R, van Koten C and Goldson S (2024) Olfactometer-measured responses of Listronotus bonariensis (Kuschel) (Coleoptera: Curculionidae) to feeding-induced grass volatiles and conspecific frass as influenced by the weevil’s seasonality. Front. Ecol. Evol. 12:1470023. doi: 10.3389/fevo.2024.1470023</span></p>
Abb. 2 in Frass von Tropiphorus elevatus (Herbst, 1795) (Coleoptera, Curculionidae) an Bärlauch
Abb. 2. Zahlreiche Frassspuren von Tropiphorus elevatus an Bärlauch. (Foto Daniel Bolt)
Abb. 1 in Frass von Tropiphorus elevatus (Herbst, 1795) (Coleoptera, Curculionidae) an Bärlauch
Abb. 1. Habitat von Tropiphorus elevatus bei Schiers (GR). (Foto Daniel Bolt)
Microbial community dynamics during decomposition of insect exuviae and frass in soil
<p><span>As the mass-rearing industry of insects for food and feed is expected to grow, </span><span>residual streams associated with this activity will become increasingly available. Before these residues can be used as organic amendments, more knowledge on the decomposition and dynamics of the involved microbial communities is needed. </span><span>This study investigated decomposition, N-mineralization, and fungal/bacterial community composition during 16 weeks of incubation of exuviae and frass of </span><span>black soldier fly, mealworm, and house cricket in arable soil</span><span>. Decomposition of insect residues in litterbags was rapid, with more than 50% weight loss in 2 weeks. Accumulation of mineral-N from insect materials distributed in the soil was also highest during the first 2 weeks, but</span><span> it was more profound for exuviae than their frass counterparts. </span><span>Soil amendment with insect residues enriched soil microbial inhabitants belonging to Gammaproteobacteria, Bacilli, Actinobacteria, and Mortierellomycetes. Comparison of microbial community composition in soil amended with sterilized and nonsterilized mealworm exuviae indicated that the presence of </span><span>microbial propagules in the exuviae had no significant influence on the composition of bacterial decomposers and a minor, but significant impact on fungal community composition. Overall, our results reveal a good prospect of using insect residual streams as soil amendment.</span></p>
Dataset heat treatment of BSF larvae frass
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Dataset for "Insect frass from upcycling vegetable by-products with cereals: effects on the soil properties, plant development and soil invertebrate fitness"
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Microbial community dynamics during decomposition of insect exuviae and frass in soil
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Global gene expression analyses of channel catfish after being fed diets with inclusion of frass from black soldier fly larvae
GEO Series GSE231874. Ictalurus punctatus. 24 samples. Type: Expression profiling by high throughput sequencing.
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