scholarly journals Observaciones excepcionales de especies de Gymnetis (Coleoptera. Cetoniidae) en colmenas de abejas meliferas (Hymenoptera: Apiidae) en Perú

2015 ◽  
Vol 31 (1) ◽  
Author(s):  
Graciano Tejada ◽  
Miguel Ángel Morón
Keyword(s):  
Honey Bee ◽  
Large Numbers

During March, 2013 large numbers of specimens of Gymnetis pudibunda Burmeister and G. chevrolat Gory et Percheron were attracted to honey bee hives in localities of Virú and Lurín, Peru. Around 150-200 cetonid beetles were observed around each beehive, and some of them invaded honey reservoirs. Brief comments to explain the increase of cetonid populations are included.

scholarly journals Note: Recording of Some Beetles in Honey Bee Colonies

2018 ◽  
Vol 51 (2) ◽  
pp. 85-90 ◽  
Author(s):  
H.F. Abou-Shaara ◽  
M.E. Ahmad ◽  
J. Háva
Keyword(s):  
Honey Bee ◽  
Honey Bees ◽  
The Other ◽  
Beetle Species ◽  
Large Numbers ◽  
The World ◽  
Bee Bread ◽  
Small Hive Beetles ◽  
Bee Colonies ◽  
Different Parts

Abstract Honey bees are very valuable to human. These social insects contribute in the pollination of many crops. Also, the products from honey bee colonies have many nutritional and medicinal benefits. Thus, keeping honey bees are very valuable and can be considered as source of income to many families. There are many diseases and pests that attack honey bee colonies. The pests attack bee colonies include: hornets, wax moths, bee-eater birds, and beetles. Such challenges can impact the survival and productivity of honey bee colonies. In this study, some beetle species belong to Fam. Nitidulidae, Dermestidae and Mycetophagidae were detected in honey bee colonies in Egypt, during spring. Despite the presence of many beetle species in the agricultural environment, only few species preferred the invasion of the colonies for feeding. These beetles do not attack stages of honey bees. They only feed on stored pollen or bee bread, especially those fallen on the bottom of the beehives. This is an alarm to follow the feeding behavior and distribution of these beetles. These beetles’ species can be considered as potential pests to weak honey bee colonies, housed in old or damaged beehives. The presence of large numbers of these beetles in weak colonies may disturb the activities of the bees and may passively impact the survival of the colonies. Listing these beetles is very important to better understanding the interaction between honey bees and beetles. On the other side, small hive beetles were not detected in the colonies. These beetles are currently one of the major problems facing honey bees in different parts of the world. This study confirms the absence of small hive beetles from Egypt.

Studies of the Life History and Ecology of the Ant Oecophylla longinoda Latreille

1954 ◽  
Vol 45 (1) ◽  
pp. 93-112 ◽  
Author(s):  
M. J. Way
Keyword(s):  
Life History ◽  
Apis Mellifera ◽  
East Africa ◽  
Honey Bee ◽  
Insect Species ◽  
Oecophylla Longinoda ◽  
Large Numbers ◽  
Wide Range ◽  
Nesting Habits ◽  
Food Reserves

In British East Africa Oecophylla longinoda (Latr.) var. textor Santschi is locally common in the costal region. Inland it is absent from higher altitudes and from areas where there is a pronounced dry season.In Zanzibar Island, O. longinoda at least 89 species of trees and shurbs; the largest populations occur on the clove (Jambosa caryophyllus), Citrus spp., Bridelia micrantha and Canthium zanzibaricum.The nesting habits and colony composition of O. longinoda are such that one colony may spread over a number of adjacent trees; it contains only one gravid queen.Winged virgin sexual forms are released at the beginning of the wet seasons and new colonies are initiated by a single queen, who uses her food reserves to bring the first batch of brood to maturity.In Zanzibzr, O. longinoda tends a wide range of Homoptera that produce honey-dew, but apparently “ prefers ” certain Coccids, notably Saissetia spp.The degree of attention afforded by an ant species determines the species of Homoptera which it is able to attend.The insect species preyed upon by O. longinoda include the honey bee, Apis mellifera, and the driver ant, Dorylus nigricans, of which large numbers may be destroyed.O. longinoda is of undoubted value for controlling certain coconut pests, notably Theraptus sp. (Coreidae), and its efficiency in coconut plantations could probably be much enhanced.

MASS STORAGE OF HONEY BEE (HYMENOPTERA: APIDAE) QUEENS DURING THE WINTER

1993 ◽  
Vol 125 (1) ◽  
pp. 113-128 ◽  
Author(s):  
M.H. Wyborn ◽  
M.L. Winston ◽  
P.H. Laflamme
Keyword(s):  
Honey Bee ◽  
Storage Systems ◽  
Storage Period ◽  
Mass Storage ◽  
Poor Survival ◽  
Commercial Use ◽  
Large Numbers ◽  
Colony Performance ◽  
Queen Production ◽  
Previous Summer

AbstractMass storage of honey bee (Apis mellifera L.) queens over the winter was investigated in colony banks, with each queen held in her own cage within a colony. The major treatments included: (I) a single queen wintered in a small nucleus colony (control); and colony banks with 24 or 48 queens, each held individually in (II) screen cages that prevented workers from entering the cage, but allowed access for queen tending, (III) queen-excluder cages (queen-excluder material has openings of about 55 mm that prevent the larger queen but not the smaller workers from passing through the material), or (IV) screen cages until January and subsequent transfer to mini-nuclei until late March. Queens held in excluder cages showed poor survival in all 3 years of testing, and this system was not viable for commercial use; survival for any 1 year, or any excluder treatment, was never greater than 25%. In contrast, a 2-year average of 60% queen survival was found for queens that were stored in individual screened wooden cages within queenless colony banks. We found no differences in survival of banked queens that were moved between colonies monthly and those that remained in the same colony for 6 months. The success of these systems required the (a) preparation of colony banks that contained large numbers of adult workers produced by maintaining colonies with two queens during the previous summer, (b) removal of laying queen(s) during the storage period, (c) feeding of colonies well, and (d) insulation of colonies in groups of four, to preserve heat and reduce worker clustering in the winter. Surviving queens from winter storage systems were virtually identical in quality and colony performance to control queens the subsequent season. The annual profit for a commercial beekeeper who does his/her own labour for storage and hires workers for queen production was calculated as $16,625 when 4800 queens are stored over the winter, and sold for $10 each in the spring. Thus, mass queen storage using our successful systems is both biologically and economically viable.

Studies on the Effect of Infection with Nosema apis on the Physiology of the Queen Honey-bee

1951 ◽  
Vol s3-92 (18) ◽  
pp. 225-231
Author(s):  
M. H. HASSANEIN
Keyword(s):  
Epithelial Cells ◽  
Honey Bee ◽  
Honey Bees ◽  
Nosema Apis ◽  
Severe Damage ◽  
Metabolic Processes ◽  
Nosema Bombycis ◽  
Complete Cessation ◽  
Silk Moth ◽  
Large Numbers

When a queen honey-bee becomes infected with Nosema apis, the result can be very serious indeed for her colony. The metabolic processes are disturbed by the damage done by the parasite to the epithelial cells of the mid-gut, and this apparently leads to severe damage to the ovaries, at first by the production of a high proportion of eggs that fail to hatch, and ultimately by complete cessation of ovi-position and supersession or death of the queen. In the case of Nosema bombycis, which attacks the silk moth, infection is carried from the female to her offspring via the egg; but there is no evidence that this ever occurs in the case of Nosema apis. Although large numbers of eggs, larvae, and pupae produced by infected queen honey-bees were examined, none was found to be infected with any stage of Nosema apis.

scholarly journals Preliminary observations of Osmia coerulescens as a pollinator of herbage seed crops

1998 ◽  
pp. 161-164 ◽  
Author(s):  
R.G. Purves ◽  
P.T.P. Clifford ◽  
B.J. Donovan
Keyword(s):  
New Zealand ◽  
Honey Bee ◽  
White Clover ◽  
Honey Bees ◽  
First Generation ◽  
Multiplication Rate ◽  
2Nd Generation ◽  
Large Numbers ◽  
The World ◽  
Seed Crops

The availability of large numbers of pollinators is critical to the efficient seed production of crosspollinated species of herbage legumes. The honey bee is the predominant pollinator of crops in New Zealand. There are risks in being solely dependent on the honey bee for pollination. Honey bee diseases and mites have reduced bee numbers in many parts of the world. The floral morphologies of some species such as tetraploid red clovers and lucerne are unsuited to pollination by honey bees. Other than in some localised areas, alternative pollinators have had little impact on improving pollination of these species in New Zealand. In 1995, Osmia coerulescens L. was introduced into New Zealand to be evaluated as an alternative, managed pollinator for herbage seed crops. Results from the 1997/98 season show that O. coerulescens can be stored at 2-3°C with low mortality until the bees are 9 months old. When stored to 10.5 months of age, reproductive vigour was lost and mortality was high. The potential multiplication rate of this bee is high, especially in the first generation of a season. Managing the bees to emerge during summer rather than spring as occurs naturally had no effect on bee reproduction. The bee also successfully reproduced when retricted to white clover flowers as the only source of pollen and nectar. The wasp parasitoid Melittobia spp. destroyed large numbers of developing bees resulting from the nesting of 2nd-generation bees. Control of Melittobia spp. is discussed. Keywords: management, Melittobia spp., Osmia coerulescens, pollination

scholarly journals Non-native honey bees disproportionately dominate the most abundant floral resources in a biodiversity hotspot

2019 ◽  
Vol 286 (1897) ◽  
pp. 20182901 ◽  
Author(s):  
Keng-Lou James Hung ◽  
Jennifer M. Kingston ◽  
Adrienne Lee ◽  
David A. Holway ◽  
Joshua R. Kohn
Keyword(s):  
Honey Bee ◽  
Plant Species ◽  
Honey Bees ◽  
Ecological Impacts ◽  
Floral Resources ◽  
Natural Ecosystems ◽  
Foraging Patterns ◽  
Large Numbers ◽  
Introduced Range ◽  
Plant Pollinator

Most plant–pollinator mutualisms are generalized. As such, they are susceptible to perturbation by abundant, generalist, non-native pollinators such as the western honey bee ( Apis mellifera ), which can reach high abundances and visit flowers of many plant species in their expansive introduced range. Despite the prevalence of non-native honey bees, their effects on pollination mutualisms in natural ecosystems remain incompletely understood. Here, we contrast community-level patterns of floral visitation by honey bees with that of the diverse native pollinator fauna of southern California, USA. We show that the number of honey bees visiting plant species increases much more rapidly with flower abundance than does that of non-honey bee insects, such that the percentage of all visitors represented by honey bees increases with flower abundance. Thus, honey bees could disproportionately impact the most abundantly blooming plant species and the large numbers of both specialized and generalized pollinator species that they sustain. Honey bees may preferentially exploit high-abundance floral resources because of their ability to recruit nest-mates; these foraging patterns may cause native insect species to forage on lower-abundance resources to avoid competition. Our results illustrate the importance of understanding foraging patterns of introduced pollinators in order to reveal their ecological impacts.

Cytoplasmic Granules in Lymphocytes from Rats Dosed with SK&F 14336-D

1971 ◽  
Vol 29 ◽  
pp. 556-557
Author(s):  
T. G. Merrill ◽  
B. J. Payne ◽  
A. J. Tousimis
Keyword(s):  
Lipid Storage ◽  
Pokeweed Mitogen ◽  
Electron Microscopic ◽  
Cytoplasmic Granules ◽  
Storage Diseases ◽  
Tay Sachs Disease ◽  
Large Numbers ◽  
Microscopic Studies ◽  
Neurovisceral Lipidosis

Rats given SK&F 14336-D (9-[3-Dimethylamino propyl]-2-chloroacridane), a tranquilizing drug, developed an increased number of vacuolated lymphocytes as observed by light microscopy. Vacuoles in peripheral blood of rats and humans apparently are rare and are not usually reported in differential counts. Transforming agents such as phytohemagglutinin and pokeweed mitogen induce similar vacuoles in in vitro cultures of lymphocytes. These vacuoles have also been reported in some of the lipid-storage diseases of humans such as amaurotic familial idiocy, familial neurovisceral lipidosis, lipomucopolysaccharidosis and sphingomyelinosis. Electron microscopic studies of Tay-Sachs' disease and of chloroquine treated swine have demonstrated large numbers of “membranous cytoplasmic granules” in the cytoplasm of neurons, in addition to lymphocytes. The present study was undertaken with the purpose of characterizing the membranous inclusions and developing an experimental animal model which may be used for the study of lipid storage diseases.

Prolonged Fixation Studies For Spaceflight

1973 ◽  
Vol 31 ◽  
pp. 332-333
Author(s):  
Robert Corbett ◽  
Delbert E. Philpott ◽  
Sam Black
Keyword(s):  
High Pressure ◽  
Living Systems ◽  
Prolonged Storage ◽  
Time Intervals ◽  
Early Signs ◽  
Large Numbers

Observation of subtle or early signs of change in spaceflight induced alterations on living systems require precise methods of sampling. In-flight analysis would be preferable but constraints of time, equipment, personnel and cost dictate the necessity for prolonged storage before retrieval. Because of this, various tissues have been stored in fixatives and combinations of fixatives and observed at various time intervals. High pressure and the effect of buffer alone have also been tried.Of the various tissues embedded, muscle, cartilage and liver, liver has been the most extensively studied because it contains large numbers of organelles common to all tissues (Fig. 1).

Analysis of the Anterior Secretory Cells of Onchidohs Muricata (Nudibranchia)

1981 ◽  
Vol 39 ◽  
pp. 614-615
Author(s):  
Roy Skidmore
Keyword(s):  
Endoplasmic Reticulum ◽  
Secretory Granules ◽  
Golgi Body ◽  
The Body ◽  
Secretory Cells ◽  
Secretory Vesicles ◽  
High Magnification ◽  
Large Numbers ◽  
Membrane Bound ◽  
Sole Of The Foot

The long-necked secretory cells in Onchidoris muricata are distributed in the anterior sole of the foot. These cells are interspersed among ciliated columnar and conical cells as well as short-necked secretory gland cells. The long-necked cells contribute a significant amount of mucoid materials to the slime on which the nudibranch travels. The body of these cells is found in the subepidermal tissues. A long process extends across the basal lamina and in between cells of the epidermis to the surface of the foot. The secretory granules travel along the process and their contents are expelled by exocytosis at the foot surface.The contents of the cell body include the nucleus, some endoplasmic reticulum, and an extensive Golgi body with large numbers of secretory vesicles (Fig. 1). The secretory vesicles are membrane bound and contain a fibrillar matrix. At high magnification the similarity of the contents in the Golgi saccules and the secretory vesicles becomes apparent (Fig. 2).

Selective Sampling and Orientation of Non-Homogeneous Tissues

1968 ◽  
Vol 26 ◽  
pp. 98-99
Author(s):  
C. C. Clawson ◽  
L. W. Anderson ◽  
R. A. Good
Keyword(s):  
Electron Microscopy ◽  
Electron Microscope ◽  
Light Microscopy ◽  
Random Sampling ◽  
New Method ◽  
Microscope Examination ◽  
Small Areas ◽  
Selective Sampling ◽  
Large Numbers ◽  
Specific Orientation

Investigations which require electron microscope examination of a few specific areas of non-homogeneous tissues make random sampling of small blocks an inefficient and unrewarding procedure. Therefore, several investigators have devised methods which allow obtaining sample blocks for electron microscopy from region of tissue previously identified by light microscopy of present here techniques which make possible: 1) sampling tissue for electron microscopy from selected areas previously identified by light microscopy of relatively large pieces of tissue; 2) dehydration and embedding large numbers of individually identified blocks while keeping each one separate; 3) a new method of maintaining specific orientation of blocks during embedding; 4) special light microscopic staining or fluorescent procedures and electron microscopy on immediately adjacent small areas of tissue.

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