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https://www.readbyqxmd.com/read/28525620/cold-hardiness-of-the-black-soldier-fly-diptera-stratiomyidae
#1
Thomas Spranghers, Annelies Noyez, Kristof Schildermans, Patrick De Clercq
The black soldier fly, Hermetia illucens (L.), shows potential as a resource for animal feed. However, industrial production in regions where the insect is not native, like northwestern Europe, could lead to permanent establishment, which might entail environmental risks. In temperate climates, establishment depends on the insect's ability to overwinter. This study assessed the insect's cold hardiness by determining the supercooling point (SCP) and lower lethal time at 5 °C (LTime10,50,90) for different life stages...
May 19, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28510134/paramagnetics-melanin-and-mn-2-in-black-soldier-fly-hermetia-illucens
#2
N A Ushakova, A E Dontsov, A I Bastrakov, N Y Garmash, D S Pavlov
Larva, prepupa (last instar larva), pupa, and an empty shell of pupa after hatching of the black soldier fly Hermetia illucens contain eumelanin, an active synthesis of which is observed at the prepupal stage, which is probably due to the release of prepupa from the feed substrate thickness to the open space for pupation. It was shown for the first time that prepupa contains high quantities of the magnetically active form of manganese Mn(2+). This fact indicates that Mn(2+) stimulates the copper-containing tyrosinase-the key enzyme in the synthesis of melanin in the period of migration and adaptation of the insect to the solar radiation...
March 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28472736/growth-performance-blood-profiles-and-carcass-traits-of-barbary-partridge-alectoris-barbara-fed-two-different-insect-larvae-meals-tenebrio-molitor-and-hermetia-illucens
#3
Rosa Loponte, Sandra Nizza, Fulvia Bovera, Nicola De Riu, Katerina Fliegerova, Pietro Lombardi, Giuseppe Vassalotti, Vincenzo Mastellone, Antonino Nizza, Giuseppe Moniello
To investigate the effect of two insect meals (from Hermetia illucens, HI and Tenebrio molitor, TM larvae) on productive performance and blood profiles of Barbary partridge, ninety, seven days old partridges were divided into 5 groups (6 replicates, 3 partridges/replicate). Up to 64d, the groups fed 5 isoproteic and isoenergetic diets: the control fed a corn-soybean meal diet (SBM group); in TM25 and TM50 groups the 25 and 50% of SBM proteins were substituted by the protein from TM, respectively; in HI25 and HI50 groups the 25 and 50% of SBM were substituted by the protein from HI, respectively...
April 26, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28399222/morphology-of-the-antenna-of-hermetia-illucens-diptera-stratiomyidae-an-ultrastructural-investigation
#4
M Pezzi, M Leis, M Chicca, P Falabella, R Salvia, A Scala, D Whitmore
The black soldier fly, Hermetia illucens (L.) (Diptera: Stratiomyidae), is a relevant species in waste and pest management, but is also of forensic and medical importance. A scanning electron microscopy (SEM) investigation of the antennae of both sexes of H. illucens is presented here for the first time. The antenna is composed of three regions: the scape, the pedicel, and the flagellum. The first two regions are single segments, whereas the third region, the longest one, is composed of eight flagellomeres...
March 13, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28342340/cellulose-decomposition-and-larval-biomass-production-from-the-co-digestion-of-dairy-manure-and-chicken-manure-by-mini-livestock-hermetia-illucens-l
#5
Kashif Ur Rehman, Minmin Cai, Xiaopeng Xiao, Longyu Zheng, Hui Wang, Abdul Aziz Soomro, Yusha Zhou, Wu Li, Ziniu Yu, Jibin Zhang
World trends toward the modern dairies intensification on large production units cause massive animal manure production and accumulation. Improper handling of manure produced by industrial farm operation greatly deteriorates the major environmental media including air, water and soil. The black soldier fly utilizes organic waste and converts it into larvae biomass to be used as livestock feed and into residues to be used as bio-fertilizer. However, due to the high ratio of cellulose, hemicellulose and lignin in dairy manure, this conversion is difficult...
March 22, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28339710/productive-performance-and-blood-profiles-of-laying-hens-fed-hermetia-illucens-larvae-meal-as-total-replacement-of-soybean-meal-from-24-to-45-weeks-of-age
#6
S Marono, R Loponte, P Lombardi, G Vassalotti, M E Pero, F Russo, L Gasco, G Parisi, G Piccolo, S Nizza, C Di Meo, Y A Attia, F Bovera
The aim of the research was to study the effects of an insect meal from Hermetia illucens larvae (HILM) as complete replacement of soybean meal (SBM) on productive performance and blood profiles of laying hens, from 24 to 45 wk of age. A total of 108 24-week-old Lohmann Brown Classic laying hens was equally divided into 2 groups (54 hens/group, 9 replicates of 6 hens/group). From 24 to 45 wk of age, the groups were fed 2 different isoproteic and isoenergetic diets: the control group (SBM) was fed a corn-soybean meal based diet, while in the HILM group the soybean meal was completely replaced by Hermetia illucens larvae meal...
February 22, 2017: Poultry Science
https://www.readbyqxmd.com/read/28278126/impact-of-substrate-contamination-with-mycotoxins-heavy-metals-and-pesticides-on-growth-performance-and-composition-of-black-soldier-fly-larvae-hermetia-illucens-for-use-in-the-feed-and-food-value-chain
#7
Benedict Purschke, Rafaela Scheibelberger, Sonja Axmann, Andreas Adler, Henry Jäger
Edible insects have emerged as an alternative and sustainable source of high-quality, animal-derived protein and fat for livestock production or direct human nutrition. During production of insects, substrate quality is a key parameter to assure optimal insect biomass gain as well as the safety of feed and food derived from commercially reared insects. Therefore, the influence of a realistic substrate contamination scenario on growth performance and accumulation behaviour of black soldier fly larvae (BSFL, Hermetia illucens L...
February 26, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28252948/nitrogen-to-protein-conversion-factors-for-three-edible-insects-tenebrio-molitor-alphitobius-diaperinus-and-hermetia-illucens
#8
Renske H Janssen, Jean-Paul Vincken, Lambertus A M van den Broek, Vincenzo Fogliano, Catriona M M Lakemond
Insects are considered a nutritionally valuable source of alternative proteins, and their efficient protein extraction is a prerequisite for large-scale use. The protein content is usually calculated from total nitrogen using the nitrogen-to-protein conversion factor (Kp) of 6.25. This factor overestimates the protein content, due to the presence of nonprotein nitrogen in insects. In this paper, a specific Kp of 4.76 ± 0.09 was calculated for larvae from Tenebrio molitor, Alphitobius diaperinus, and Hermetia illucens, using amino acid analysis...
March 22, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28228921/scuttle-flies-diptera-phoridae-inhabiting-rabbit-carcasses-confined-to-plastic-waste-bins-in-malaysia-include-new-records-and-an-undescribed-species
#9
Raja M Zuha, See Huong-Wen, R Henry L Disney, Baharudin Omar
Scuttle flies (Diptera: Phoridae) are small-sized insects of forensic importance. They are well known for diversified species and habitats, but in the context of forensic entomology, scuttle flies' inhabitance of corpses remains inadequately explored. With recent reports indicating the existence of more scuttle fly species possibly inhabiting these environments, a decomposition study using animal carcasses in enclosed environments was conducted. The aim was to record the occurrence of scuttle flies on rabbit carcasses placed in sealed plastic waste bins for a 40-day period...
January 2017: Tropical Life Sciences Research
https://www.readbyqxmd.com/read/28197942/influences-of-chromium-and-cadmium-on-the-development-of-black-soldier-fly-larvae
#10
Qiao Gao, Xiaoyun Wang, Wanqiang Wang, Chaoliang Lei, Fen Zhu
The black soldier fly Hermetia illucens is a good candidate for waste management. The harvested insects are rich in protein and have the potential to be used in animal feed. However, people are wary about heavy metals in waste. Therefore, it is necessary to understand how the uptake of heavy metals could affect H. illucens and where and to what extent metals are accumulated by the black soldier fly. Based on these considerations, developmental parameters were investigated in the different life stages of H. illucens fed an increasing concentration gradient of cadmium (Cd) and chromium (Cr); additionally, Cd and Cr distribution in the body parts of H...
February 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28105887/light-microscopy-with-a-differential-staining-technique-for-the-characterization-and-discrimination-of-insects-versus-marine-arthropods-in-processed-animal-proteins
#11
Matteo Ottoboni, Marco Tretola, Federica Cheli, Daniela Marchis, Pascal Veys, Vincent Baeten, Luciano Pinotti
The aim of this study was to evaluate the use of light microscopy with a differential staining technique for the discrimination of insect material from marine arthropods - classified as fishmeal. Specifically, three samples of single species insect material, Hermetia illucens (HI), Bombyx mori (BM) and Tenebrio molitor (TM) and two samples of marine arthropods, shrimp material and krill, have been analysed and compared after staining by two reagents to enhance fragment identification. Alizarin Red (AR) and Chlorazol black (CB), which react respectively with calcium salts and chitin, were tested for their potential efficacy in distinguishing between insect and marine materials...
January 20, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28056070/screening-expression-purification-and-functional-characterization-of-novel-antimicrobial-peptide-genes-from-hermetia-illucens-l
#12
Osama Elhag, Dingzhong Zhou, Qi Song, Abdul Aziz Soomro, Minmin Cai, Longyu Zheng, Ziniu Yu, Jibin Zhang
Antimicrobial peptides from a wide spectrum of insects possess potent microbicidal properties against microbial-related diseases. In this study, seven new gene fragments of three types of antimicrobial peptides were obtained from Hermetia illucens (L), and were named cecropinZ1, sarcotoxin1, sarcotoxin (2a), sarcotoxin (2b), sarcotoxin3, stomoxynZH1, and stomoxynZH1(a). Among these genes, a 189-basepair gene (stomoxynZH1) was cloned into the pET32a expression vector and expressed in the Escherichia coli as a fusion protein with thioredoxin...
2017: PloS One
https://www.readbyqxmd.com/read/28054035/recovery-and-techno-functionality-of-flours-and-proteins-from-two-edible-insect-species-meal-worm-tenebrio-molitor-and-black-soldier-fly-hermetia-illucens-larvae
#13
Sara Bußler, Birgit A Rumpold, Elisabeth Jander, Harshadrai M Rawel, Oliver K Schlüter
Depending on the species, edible insects are highly nutritious and thus represent a noteworthy alternative food and feed source. The current work investigates the protein extractability and techno-functionality of insect flour fractions recovered from Tenebrio molitor and Hermetia illucens. T. molitor and H. illucens flours contained about 20% crude fat and 60% and 36 % crude protein, respectively. Defatting reduced the crude fat content to 2.8% (T. molitor) and 8.8% (H. illucens) and increased the crude protein content to 68% and 47%, respectively...
December 2016: Heliyon
https://www.readbyqxmd.com/read/28000914/inclusion-of-hermetia-illucens-larvae-meal-on-rainbow-trout-oncorhynchus-mykiss-feed-effect-on-sensory-profile-according-to-static-and-dynamic-evaluations
#14
Monica Borgogno, Caterina Dinnella, Valeria Iaconisi, Renzo Fusi, Claudia Scarpaleggia, Achille Schiavone, Erminio Monteleone, Laura Gasco, Giuliana Parisi
BACKGROUND: Diet implementation with insect meal arouses increased attention in aquaculture considering the advantages of this new protein source. The effect of Hermetia illucens meal (HI) inclusion in diets on rainbow trout physical-chemical and sensory properties was evaluated. Three diets were prepared: HI0, HI25, HI50, with 0, 25 and 50% of HI replacing fish meal, respectively. Fillet sensory profiles were described by descriptive analysis (DA) and Temporal Dominance of Sensation (TDS) methods...
December 21, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27988568/description-of-the-puparium-of-i-hermetia-i-i-pulchra-i-diptera-stratiomyidae-%C3%A2-from-brazil
#15
José Roberto Pujol-Luz, Fabio Siqueira Pitaluga DE Godoi, Karine Brenda Barros-Cordeiro
The puparium of Hermetia pulchra is described, based on a single specimen reared in laboratory under controlled conditions until the emergence of an adult female. The puparium of H. pulchra was compared with puparium of H. illucens and some differential features were indicated. A checklist of the Brazilian species of the genus Hermetia is included, with new distributional records for H. pulchra in the Brazilian States of Bahia and Distrito Federal. Hermetia sphecodes is recorded for the first time for Brazil (State of Amazonas)...
December 7, 2016: Zootaxa
https://www.readbyqxmd.com/read/27986944/survival-and-development-of-hermetia-illucens-diptera-stratiomyidae-a-biodegradation-agent-of-organic-waste
#16
Ana Clariza Samayoa, Wei-Ting Chen, Shaw-Yhi Hwang
The black soldier fly, Hermetia illucens (L.) (Diptera: Stratiomyidae), was reared on artificial diet (wheat bran and chicken feed) in the laboratory at 28ºC (immature stages) and under a greenhouse set at 28ºC (adults). Data were collected and analyzed based on an age-stage, two-sex life table. The intrinsic rate of increase (r), finite rate of increase (λ), net reproduction rate (R0), and mean generation time (T) were 0.0759 (d(-1)), 1.0759 (d(-1)), 68.225 offspring, and 55.635 d, respectively. The maximum reproductive value of females occurred at 54 d...
December 2016: Journal of Economic Entomology
https://www.readbyqxmd.com/read/27903420/microbiology-of-processed-edible-insect-products-results-of-a-preliminary-survey
#17
Nils Th Grabowski, Günter Klein
Little is known of the microbiology of processed insect products. The present survey analysed a total of n=38 samples of deep-fried and spiced (Acheta domesticus, Locusta migratoria, and Omphisa fuscidentalis), cooked in soy sauce ("tsukudani"; Oxya yezoensis, Vespula flaviceps, and Bombyx mori), dried (A. domesticus, L. migatoria, Alphitobius diaperinus, Tenebrio molitor, B. mori, Hermetia illucens, and Musca domestica), powdered (H. illucens, T. molitor) and other (incl. deep-frozen B. mori and honeybee pollen) insect products microbiologically (total bacterial count [TBC], Enterobacteriaceae, staphylococci, bacilli, and yeasts and moulds counts, salmonellae, Listeria monocytogenes, and Escherichia coli)...
February 21, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27846238/uptake-of-cadmium-lead-and-arsenic-by-tenebrio-molitor-and-hermetia-illucens-from-contaminated-substrates
#18
H J van der Fels-Klerx, L Camenzuli, M K van der Lee, D G A B Oonincx
Insects have potential as a novel source of protein in feed and food production in Europe, provided they can be used safely. To date, limited information is available on the safety of insects, and toxic elements are one of the potential hazards of concern. Therefore, we aimed to investigate the potential accumulation of cadmium, lead and arsenic in larvae of two insect species, Tenebrio molitor (yellow mealworm) and Hermetia illucens (black soldier fly), which seem to hold potential as a source of food or feed...
2016: PloS One
https://www.readbyqxmd.com/read/27751886/photoreceptor-spectral-sensitivity-of-the-compound-eyes-of-black-soldier-fly-hermetia-illucens-informing-the-design-of-led-based-illumination-to-enhance-indoor-reproduction
#19
D G A B Oonincx, N Volk, J J E Diehl, J J A van Loon, G Belušič
Mating in the black soldier fly (BSF) is a visually mediated behaviour that under natural conditions occurs in full sunlight. Artificial light conditions promoting mating by BSF were designed based on the spectral characteristics of the compound eye retina. Electrophysiological measurements revealed that BSF ommatidia contained UV-, blue- and green-sensitive photoreceptor cells, allowing trichromatic vision. An illumination system for indoor breeding based on UV, blue and green LEDs was designed and its efficiency was compared with illumination by fluorescent tubes which have been successfully used to sustain a BSF colony for five years...
December 2016: Journal of Insect Physiology
https://www.readbyqxmd.com/read/27734508/nutritional-composition-of-black-soldier-fly-hermetia-illucens-prepupae-reared-on-different-organic-waste-substrates
#20
Thomas Spranghers, Matteo Ottoboni, Cindy Klootwijk, Anneke Ovyn, Stefaan Deboosere, Bruno De Meulenaer, Joris Michiels, Mia Eeckhout, Patrick De Clercq, Stefaan De Smet
BACKGROUND: Black soldier fly larvae are converters of organic waste into edible biomass, of which the composition may depend on the substrate. In this study, larvae were grown on four substrates: chicken feed, vegetable waste, biogas digestate, and restaurant waste. Samples of prepupae and substrates were freeze-dried and proximate, amino acid, fatty acid and mineral analyses were performed. RESULTS: Protein content of prepupae varied between 399 and 431 g kg(-1) dry matter (DM) among treatments...
October 13, 2016: Journal of the Science of Food and Agriculture
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