About
Professional Summary
Prof. (Dr.) Ram Chander Sihag is serving humanity as an Independent Researcher. He had been on the Faculty of CCS Haryana Agricultural University, Hisar in different capacities. He was Assistant Scientist, Honey bees (1979-1988), Associate Professor & Research Leader, Beekeeping (1988-1995), Professor of Apiculture/ Environmental Biology (1995-2012), Head, at Department of Zoology (1997-2000), and Dean at College of Basic Sciences & Humanities (2001-2006), and an independent researcher (Since 2012). During these 45 years, Prof. Sihag has made several significant research contributions in the discipline of Apiculture/ Crop Pollination Ecology and Environmental Biology. He has published more than 190 research and semi-technical articles in reputed national/ international journals/ books and authored/edited six books. Achievements of Prof. Sihag have been widely recognized at national and international levels including, he is the recipient of one of the highest Civilian Awards of India, Padma Shri (2024), conferred by the President of India for his Pioneering work on Development of Beekeeping and Crop Pollination Services in India; highly prestigious Rafi Ahmed Kidwai Memorial Prize of Indian Council of Agricultural Research (1980-82) for his outstanding work on the biology of megachilid bees; co-recipient of “Group Award-cum-Certificate of Appreciation (1993)” from the United States Department of Agriculture (USA) for the work on conservation and management of some solitary bees for crop production efficiency; “Scroll of Honour (2005)” in the International Conference on Plant Sciences at Amravati (India) for the conservation of pollinators; “Life Time Achievement Award for Conservation of Biodiversity and Environment” from the Environment Society of India, Chandigarh (2007); “E. P. Odum Memorial Award for Conservation of Environment” from the Educational, Cultural and Social Welfare Society of India, Hisar (2008); “Bharat Pratibha Sammaan Award (2025)” from the Bharat Pratibha Sammaan Council, New Delhi, for his exceptional services to the society, and “Life Time Achievement Award (2025)” from the Worthy Wellness Foundation, Lucknow, for his exemplary service, inspiring leadership, and lifetime dedication towards the progress of society, and Ambedkar Fellowship Award (1998) for his distinguished social services. He was elected Fellow of the highly prestigious “Royal Entomological Society, London” in 1997; and has been the Chairperson of Pollination Section of Asian Apicultural Association (1992 to till date). He is the Editor-in-Chief of Journal of Entomology; Academic Editor of International Journal of Ecology, Editor of Journal of Ecology and the Natural Environment; Regional Editor of 4 International Journals and Associate Editor of 2 International Journals.
Education
Academic Background-
Ph.D. Chaudhary Charan Singh Haryana Agricultural University, Haryana, India Apiculture | Completed: 1980
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M.Sc. Kurukshetra University, India Fish Biology | Completed: 1975
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B.Sc. Punjab University Chandigarh, India Biology | Completed: 1973
Editorial Services
Editorial & Publishing Roles
Editorial Board Member
Serving as Editorial Board Member for Trends in Molecular Sciences.
Editorial Board Member
Serving as Editorial Board Member for Trends in Molecular Sciences.
Editorial Board Member
Serving as Editorial Board Member for Journal of Fisheries and Aquatic Science.
Editorial Board Member
Serving as Editorial Board Member for International Journal of Zoological Research.
Editorial Board Member
Serving as Editorial Board Member for International Journal of Agricultural Research.
Editorial Board Member
Serving as Editorial Board Member for Research Journal of Environmental Sciences.
Publications (138)
Selected Scholarly Contributions
Effect of initial colony strength on productivity and pollination services of honey bee (Apis mellifera L.)
2025
Conservation of Giant Honey Bee (Apis dorsata F.) for Honey and Beeswax Production and Sustainable Pollination Services
2025
2024
Abundance, foraging behavior and pollination efficiency of insects visiting the flowers of Aonla (Emblica officinalis)
2023
Flowering biology and phenology of aonla (Emblica officinalis gaertn.) in the semi-arid environment of north-west India.
Ram Chander Sihag
2020
Flowering phenology of European plum (Prunus domestica L.) in the semi-arid environment of North-West India.
Ram Chander Sihag
2019
Crop hosts and pollination potential of the red dwarf honey bee (Apis florae F.) in the semi-arid environment of North West India.
Ram Chander Sihag
2019
How serious is the threat of diseases and pests to the red dwarf honey bee (Apis florae F.)?
Ram Chander Sihag
2019
Some Unresolved Issues of Measuring the Efficiency of Pollinators: Experimentally Testing and Assessing the Predictive Power of Different Methods
2018
Patterns of short-and long-term responses of honey bee (Apis mellifera L.) colony to changes in its internal environment.
Ram Chander Sihag
2018
Nesting behavior and nest site preferences of the giant honey bee (Apis dorsata F.) in the semi-arid environment of North West India.
Ram Chander Sihag
2017
Melittophilous mode of pollination predominates in European plum (Prunus domestica L.) in the semi-arid environment of Northwest India.
Ram Chander Sihag
2015
Effect of pond fertilization with vermicompost and some other manures on the pathogenic bacterial populations of treated waters.
Ram Chander Sihag
2015
Effect of pond fertilization with vermicompost and some other manures on the hydrobiological parameters of treated pond waters.
Ram Chander Sihag
2015
Effect of pond fertilization with vermicompost and some other manures on the growth performance of Indian major carps.
Ram Chander Sihag
2015
Relative efficacy of two probiotics in controlling the epizootic ulcerative syndrome disease in mrigal (Cirrhinus mrigala Ham.).
Ram Chander Sihag
2013
Isolation and identification of pathogenic bacteria and fungi isolated from skin ulcers of Cirrhinus mrigala.
Ram Chander Sihag
2013
Effect of probiotics on growth and survival of giant freshwater prawn (Macrobrachium rosenbergii de Man).
Ram Chander Sihag
2013
Pathogenicity test of bacterial and fungal fish pathogens in Cirrihinus mrigala infected with EUS disease.
Ram Chander Sihag
2013
Survey and characterization of diseases in giant freshwater prawn (Macrobrachium rosenbergii de Man) in Haryana.
Ram Chander Sihag
2013
Testing the effects of some pollen substitute diets on colony build up and economics of beekeeping with Apis mellifera L.
Ram Chander Sihag
2013
Elimination of pathogenic bacterium (Micrococcus sp.) by the use of probiotics.
Ram Chander Sihag
2012
Psychophilous mode of pollination predominates in sarpagandha (Rauvolfia serpentina).
Ram Chander Sihag
2012
Effect of probiotics on the haematological parameters of Indian magur (Clarius batrachus L.).
Ram Chander Sihag
2012
Probiotics: The new ecofriendly alternative measures of disease control for sustainable aquaculture.
Ram Chander Sihag
2012
Elimination of pathogenic bacterium, Aeromonas hydrophila by the use of probiotics.
Ram Chander Sihag
2012
Time budget of the guppy under different ecophysiological conditions.
Ram Chander Sihag
2012
Courtship behaviour and mate choice in guppies: Tactics and strategies.
Ram Chander Sihag
2012
Bee diversity for floral diversity.
Ram Chander Sihag
2012
Development of an artificial pollen substitute/supplement diet to help tide the colonies of honeybee (Apis mellifera L.) over the dearth season.
Ram Chander Sihag
2011
Efficacy of different aquarium designs fabricated for the breeding of the guppy.
Ram Chander Sihag
2011
Floral and reproductive biology of Sarpagandha Rauvolfia serpentine (Gentianales: Apocynaceae) in semi-arid environment of India.
Ram Chander Sihag
2011
Methodology for the isolation and identification of bacterial pathogens.
Ram Chander Sihag
2010
A new report of bacterial necrosis disease in freshwater prawn (Macrobrachium rosenbergii (de Man)) in Haryana.
Ram Chander Sihag
2010
Isolation and characterization of coccus shaped bacteria causing tailrot disease in freshwater prawn Macrobrachium rosenbergii (de Man) in Haryana, India.
Ram Chander Sihag
2010
Review article on bacterial diseases in freshwater prawn Macrobrachium rosenbergii.
Ram Chander Sihag
2010
Use of probiotics as an alternative method of disease control in aquaculture.
Ram Chander Sihag
2010
Relative efficacy of two species of earthworms in biodegradation of organic wastes under semi-arid subtropical conditions of North-West India.
Ram Chander Sihag
2010
Incidence of vibriosis in the Indian magur (Clarias batrachus L.) in saline water ponds of Haryana-A new report from India.
Ram Chander Sihag
2009
Efficacy of some chemicals as repellents against two honey bee species, (Apis mellifera L. and Apis florea F. in field trials.
Ram Chander Sihag
2009
Relative abundance, diversity and dominance concentration of two honeybee species on three concurrently flowering crops onion (Allium cepa L.), carrot (Daucus carota L.) and fennel (Foeniculum vulgare L.).
Ram Chander Sihag
2009
Pathogenicity of bacterial isolates from catfish (Clarias batrachus), the Indian magur.
Ram Chander Sihag
2009
Genetic diversity among fish pathogens using 16S-rRNA primer.
Ram Chander Sihag
2009
Biodegradation of water hyacinth, sugarcane bagasse and rice husk through vermicomposting.
Ram Chander Sihag
2008
Relative efficacy of two methods of vermicomposting for bio-degradation of organic wastes.
Ram Chander Sihag
2008
A new model on honeybee repellency for their safety against pesticides.
Ram Chander Sihag
2008
Induction of Mx gene expression in the Indian major carp, rohu (Labeo rohita Linnaeus).
Ram Chander Sihag
2007
Pollination in oilseed crop, taramira (Eruca sativa Mill.): Effects of crop management practices, plant population and number of honeybee colonies on various yield parameters.
Ram Chander Sihag
2004
Acute oral toxicity of different insecticides to two honeybee species (Apis mellifera L. and Apis dorsata F.
Ram Chander Sihag
2004
Role of bee pollinators in increasing seed/fruit yield of vegetable crops.
Ram Chander Sihag
2003
Diversity, foraging behaviour and foraging efficiency of different pollinators visiting onion (Allium cepa L.) blossoms.
Ram Chander Sihag
2003
Diversity, Abundance, foraging rates and pollinating efficiency of insects visiting wanga (Cucumis melo ssp. Melo) blossoms at Hisar.
Ram Chander Sihag
2003
Pollination studies on Pracitrullus fistulosus at Hisar, India.
Ram Chander Sihag
2002
Studies on the diversity, abundance, activity duration and foraging behaviour of insect pollinators of cucumber (Cucumis sativus L.) at Hisar.
Ram Chander Sihag
2002
Why should bee-keeping be utilized as an input in agriculture?
Ram Chander Sihag
2001
Acute contact and stomach toxicity of endosulfan and carbaryl insecticides to the little honeybee, Apis florea F.
Ram Chander Sihag
2001
Role of insect pollination in seed production of radish (Raphanus sativus L.).
Ram Chander Sihag
2001
Dissipation of systemic organophorus insecticides in mustard (Brassica juncea) flowers.
Ram Chander Sihag
2000
Diversity, visitation frequency, foraging behaviour and pollinating efficiency of different insect pollinators visiting fennel (Foeniculum vulgare L.) blossoms.
Ram Chander Sihag
2000
Why conserve pollinators (Guest editorial)?
Ram Chander Sihag
1999
Why should the pollinators be conserved?
Ram Chander Sihag
1999
Management of honeybees in winter.
Ram Chander Sihag
1999
How to make beekeeping profitable.
Ram Chander Sihag
1999
Pollination benefits from honeybees.
Ram Chander Sihag
1999
Beekeeping and its scope in Haryana.
Ram Chander Sihag
1999
Foraging pattern of three honeybee species on eight cultivars of oilseed crops.2. Foraging during the entire blooming period of the crops
Ram Chander Sihag
1999
Foraging pattern of three honeybee species on eight cultivars of oilseed crops. 1. Diurnal foraging.
Ram Chander Sihag
1999
Synchronization of foraging activity of honeybees and flowering/anthesis in oilseed crops.
Ram Chander Sihag
1999
Effect of different environmental factors on the foraging activity of three honeybee species visiting eight cultivars of oilseed crops.
Ram Chander Sihag
1999
Diurnal and weekly patterns of nectar sugar concentration in the flowers of eight cultivars of oilseed crops.
Ram Chander Sihag
1999
Acute contact toxicity of three synthetic parathyroid insecticides to two honeybee species, (Apis mellifera L. and Apis dorsata F.
Ram Chander Sihag
1999
Acute contact toxicity of five organophosphate insecticides to two honeybee species, (Apis mellifera L.) and Apis dorsata F.
Ram Chander Sihag
1999
Benefits of pollination of crops by honeybees.
Ram Chander Sihag
1998
Acute contact toxicity of endosulfan and carbonyl insecticides to two honeybee species, (Apis mellifera L.) and Apis dorsata F.
Ram Chander Sihag
1998
Diversity, visitation frequency, foraging behaviour and pollinating efficiency of insect pollinators visiting carrot, (Daucus carota L. var. HC-I) blossoms.
Ram Chander Sihag
1998
Multiresidue analysis of market honey samples for pesticidal contamination.
Ram Chander Sihag
1997
Diversity, visitation, frequency, foraging behaviour and pollinating efficiency of insect pollinators visiting cauliflower (Brassica oleracea L. var. botrytis cv. Hazipur Local) blossoms.
Ram Chander Sihag
1997
Medicinal value of honey-a review.
Ram Chander Sihag
1996
Antibacterial activity of propolis and honey against Staphylococcus aureus and Escherichia coli.
Ram Chander Sihag
1996
Pollination of Asian crops.
Ram Chander Sihag
1994
Bee flora of India-a review
Ram Chander Sihag
1994
Diversity, abundance, foraging behaviour and pollinating efficiency of different bees visiting pigeon pea (Cajanus cajan (L.) Mill sp.) blossoms.
Ram Chander Sihag
1994
Role of insect pollinators in seed yield of sunflower (Helianthus annuus L.)
Ram Chander Sihag
1994
Diversity, abundance and foraging activity of insect pollinators of sunflower (Helianthus annuus L.) at Hisar.
Ram Chander Sihag
1994
Effect of weather factors on the colony foraging of honeybee ((Apis mellifera L.).
Ram Chander Sihag
1994
Behaviour and ecology of the sub-tropical carpenter bee, Xylocopa fenestrata F.8. Life cycle, seasonal mortality, parasitization and sex ratio patterns.
Ram Chander Sihag
1993
Behaviour and ecology of the sub-tropical carpenter bee, Xylocopa fenestrata F.7. Nesting preferences and response to nest translocation.
Ram Chander Sihag
1993
Behaviour and ecology of the sub-tropical carpenter bee, Xylocopa fenestrata F.6 Crop hosts and pollination potential.
Ram Chander Sihag
1993
The green bee-eater, Merops orientalis orientalis latham.III.efficiency of some control measures.
Ram Chander Sihag
1993
The green bee-eater, Merops orientalis orientalis Latham. 2. Quantitative losses caused to the colonies of honey bee, (Apis mellifera L. in haryana.
Ram Chander Sihag
1993
The green bee-eater, Merops orientalis orientalis Latham. 1. Seasonal activity, population density, feeding capacity and bee capture efficiency in the apiary of honey bee, (Apis mellifera L. in Haryana (India).
Ram Chander Sihag
1993
Utilization of waste stems of sarcandas and castor as nesting tunnels for culturing/keeping wild bee pollinators of some crops.
Ram Chander Sihag
1992
The yellow banded brown wasp, Vespa orientalis 2. Population density, bee capture efficiency and predation rate on honey bee ((Apis mellifera L.).
Ram Chander Sihag
1992
The yellow banded brown wasp, Vespa orientalis 1. A predator and colony robber of honey bee (Apis mellifera L.) in Haryana (India).
Ram Chander Sihag
1992
Bee repellents: Ecology and mode of action.
Ram Chander Sihag
1991
The honey bee mite, Tropilaelaps clareae delfinado and baker. 2. Symptoms of infestation in the colonies of honey bee ((Apis mellifera L.).
Ram Chander Sihag
1991
The honey bee mite, Tropilaelaps clareae Delfinado and Baker. 1. A mite with distinct ectoparasitic characters and mode of life.
Ram Chander Sihag
1991
Behaviour and ecology of the sub-tropical carpenter bee Xylocopa fenestrata F.5. Nest recognition and response to nest displacement.
Ram Chander Sihag
1991
Behaviour and ecology of the sub-tropical carpenter bee, Xylocopa fenestrata F.4. Parasites, predators and nest destroyers.
Ram Chander Sihag
1991
Behaviour and ecology of the sub-tropical carpenter bee Xylocopa fenestrata F.3. Provisioning and foraging activity patterns.
Ram Chander Sihag
1991
Some economic estimates of use of pesticides and bee pollination for crop yield.
Ram Chander Sihag
1991
Methods of domiciling and bee keeping with alfalfa pollinating sub-tropical megachilid bees.
Ram Chander Sihag
1991
New interactions of ectoparasitic mites in the colonies of honey bee (Apis mellifera) L.
Ram Chander Sihag
1991
Ecology of European honey bee (Apis mellifera L.) in semi-arid sub-tropical climates. 2. Seasonal incidence of diseases, pests, predators and enemies.
Ram Chander Sihag
1991
Megachilid fauna of Haryana re-described.
Ram Chander Sihag
1990
Seasonal management of honeybee (Apis mellifera) colonies in Haryana.
Ram Chander Sihag
1990
Determining the dose-concentration relationship for bee toxicity experiments.
Ram Chander Sihag
1990
Behaviour and ecology of the sub-tropical carpenter bee. Xylocopa fenestrata F.2 Host plant association.
Ram Chander Sihag
1990
Behaviour and ecology of the sub-tropical carpenter bee, Xylocopa fenestrata F.1. Adaptive response to high temperatures.
Ram Chander Sihag
1990
Ecology of European honeybee Apis mellifera L. in semi-arid subtropical climates. 1. Association with melliferous flora and over seasoning of the colonies.
Ram Chander Sihag
1990
Wild pollinators of Haryana.
Ram Chander Sihag
1989
Physiological adaptations of sub-tropical bees in relation to energy intakes.
Ram Chander Sihag
1988
Incidence of Varroa, Euvarroa and Tropilaelaps mites in the colonies of honey bee, (Apis mellifera L. in Haryana.
Ram Chander Sihag
1988
Characterization of the pollinators of cultivated cruciferous and leguminous crops of sub-tropical, Hisar, India.
Ram Chander Sihag
1988
Effect of pesticides and bee pollination on seed yield of some crops in India.
Ram Chander Sihag
1988
Correlation and path coefficient analysis of environmental factors influencing flight activity of Apis florea F.
Ram Chander Sihag
1986
Insect pollination increases seed production in cruciferous and umbelliferous crops.
Ram Chander Sihag
1986
Why does the alfalfa pollinating sub-tropical bee, Megachile flavipes make false nesting?
Ram Chander Sihag
1986
Reproduction in alfalfa pollinating sub-tropical megachilid bees-6. Formation of corpus luteum and oosorption body.
Ram Chander Sihag
1986
Reproduction in alfalfa pollinating subtropical megachilid bees-4. Vitellogenesis and oosorption, and factors inducing these processes.
Ram Chander Sihag
1986
Reproduction in alfalfa pollinating subtropical megachilid bees-3. Mating receptivity as influenced by eco-physiological factors.
Ram Chander Sihag
1986
Reproduction in alfalfa pollinating subtropical megachilid bees-2. Reproductive isolating mechanisms.
Ram Chander Sihag
1986
Reproduction in alfalfa pollinating subtropical megachilid bees-1. Functional anatomy and histology of the organs of reproduction.
Ram Chander Sihag
1986
Can alfalfa pollinating sub-tropical megachilid bees overcome Coelioxys parasitization?
Ram Chander Sihag
1985
Vittellogenin of alfalfa pollinating bee, Megachile flavipes.
Ram Chander Sihag
1985
Storage and incubation in the management of alfalfa pollinating bee, Megachile flavipes Spinola.
Ram Chander Sihag
1985
Differential brood emergence of subtropical magachilid bees.
Ram Chander Sihag
1984
The role of temperature in the evolution of bee plant mutualism.
Ram Chander Sihag
1984
Influence of environmental factors on the pollination activity of bees.
Ram Chander Sihag
1984
Prospects of beekeeping in Haryana.
Ram Chander Sihag
1983
Adaptive strategy of bees to overcome environmental hazards.
Ram Chander Sihag
1983
Honeybees forage on grape (Vitis vinifera L.) during dearth period.
Ram Chander Sihag
1983
Wax-moth and its control.
Ram Chander Sihag
1983
Life cycle pattern, seasonal mortality, problem of parasitization and sex ratio pattern in alfalfa pollinating megachilid bees.
Ram Chander Sihag
1983
Environmental regulation of pollination process in cultivated crops.
Ram Chander Sihag
1982
Problem of wax-moth (Galleria mellonella L.) infestation on giant honeybee (Apis dorsata Fab.) colonies in Haryana.
Ram Chander Sihag
1982
Effect of competition with Parkinsonia aculeate L. on pollination and seed production in Medicago sativa L.
Ram Chander Sihag
1982
Environmental interaction with endocrine functions in relation to social activities of bees.
Ram Chander Sihag
1981