Drought-stressed yellow coneflowers that honey bees rely on for nectar and contribute to a poor honey crop for Miller Honey Farms, are pictured in Gackle, North Dakota, U.S.. Picture taken July 30, 2021. REUTERS/Dan Koeck 

A bee collects nectar from lavender blossoms in the village of Mesimeri, Greece, June 14, 2021. Picture taken June 14, 2021. REUTERS/Alexandros Avramidis 

A bee collects nectar from crocus during sunny winter weather, as the spread of the coronavirus disease (COVID-19) continues, at a public park in Zurich, Switzerland, March 2, 2021. REUTERS/Arnd Wiegmann 

A bee collects nectar from crocus during sunny winter weather, as the spread of the coronavirus disease (COVID-19) continues, at a public park in Zurich, Switzerland, March 2, 2021. REUTERS/Arnd Wiegmann 

A red-tailed black bumblebee collects nectar from lavender blossoms at Hitchin Lavender farm in Ickleford, Britain, August 4, 2020. REUTERS/Peter Cziborra 

California manufacturer Nectar Product Development shows the inside of a newly designed and easy to use "Breathdirect" ventilator it hopes to mass produce to help in the fight against COVID-19 in Long Beach, California, U.S., June 12, 2020. REUTERS/Mike Blake 

CEO Darren Saravis of Nectar Product Development has designed and easy to use "Breathdirect" ventilator it hopes to mass produce to help in the fight against COVID-19 in Long Beach, California, U.S., June 12, 2020. REUTERS/Mike Blake 

CEO Darren Saravis of Nectar Product Development has designed and easy to use "Breathdirect" ventilator it hopes to mass produce to help in the fight against COVID-19 in Long Beach, California, U.S., June 12, 2020. REUTERS/Mike Blake 

CEO Darren Saravis of Nectar Product Development shows a newly designed and easy to use "Breathdirect" ventilator design it hopes to mass produce to help in the fight against COVID-19 in Long Beach, California, U.S., June 12, 2020. REUTERS/Mike Blake 

California manufacturer Nectar Product Development shows a newly designed and easy to use "Breathdirect" ventilator it hopes to mass produce to help in the fight against COVID-19 in Long Beach, California, U.S., June 12, 2020. REUTERS/Mike Blake 

California manufacturer Nectar Product Development shows a newly designed and easy to use "Breathdirect" ventilator it hopes to mass produce to help in the fight against COVID-19 in Long Beach, California, U.S., June 12, 2020. REUTERS/Mike Blake 

California manufacturer Nectar Product Development shows a newly designed and easy to use "Breathdirect" ventilator it hopes to mass produce to help in the fight against COVID-19 in Long Beach, California, U.S., June 12, 2020. REUTERS/Mike Blake 

California manufacturer Nectar Product Development shows a newly designed and easy to use "Breathdirect" ventilator it hopes to mass produce to help in the fight against COVID-19 in Long Beach, California, U.S., June 12, 2020. REUTERS/Mike Blake 

Beekeeper Xavier Rennotte, the owner of Nectar & Co, shows a bee next to a honeycomb at an apiary, during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium May 8, 2020. REUTERS/Johanna Geron 

Beekeeper Xavier Rennotte, the owner of Nectar & Co, puts bees in a beehive during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron 

Beekeeper Xavier Rennotte, the owner of Nectar & Co, puts bees in a beehive, during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium, May 8, 2020. REUTERS/Johanna Geron 

Beekeeper Xavier Rennotte, the owner of Nectar & Co, puts bees in a beehive, during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium May 8, 2020. REUTERS/Johanna Geron 

Beekeeper Xavier Rennotte, the owner of Nectar & Co, puts bees in a beehive, during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron 

Beekeeper Xavier Rennotte, the owner of Nectar & Co, puts bees in a beehive, during the outbreak of the coronavirus disease (COVID-19) in Brussels, Belgium May 8, 2020.REUTERS/Johanna Geron 

Darren Saravis, CEO of BreathDirect and Nectar, speaks during an interview on the manufacturing of ventilators for the coronavirus disease (COVID-19) at the Evolve manufacturing facility in Fremont, California, U.S. March 26, 2020. Picture taken March 26, 2020. REUTERS/Shannon Stapleton 

A camera with no operator is pictured as the band Cytrus performs a $10 suggested donation live stream concert in front of an empty Nectar Lounge to raise money for the band, out-of-work staff and the venue, during the coronavirus disease (COVID-19) outbreak in Seattle, Washington, U.S. March 21, 2020. REUTERS/Jason Redmond 

The band Cytrus performs a $10 suggested donation live stream concert in front of an empty Nectar Lounge to raise money for the band, out-of-work staff and the venue, during the coronavirus disease (COVID-19) outbreak in Seattle, Washington, U.S. March 21, 2020. REUTERS/Jason Redmond 

The band Cytrus performs a $10 suggested donation live stream concert in front of an empty Nectar Lounge to raise money for the band, out-of-work staff and the venue, during the coronavirus disease (COVID-19) outbreak in Seattle, Washington, U.S. March 21, 2020. REUTERS/Jason Redmond 

Nectar Lounge is pictured on an empty street in Seattle's Fremont neighborhood as the band Cytrus performs a live stream concert with no live audience to raise money for the band, out-of-work staff and the venue, during the coronavirus disease (COVID-19) outbreak in Seattle, Washington, U.S. March 21, 2020. REUTERS/Jason Redmond 

The band Cytrus performs a $10 suggested donation live stream concert in front of an empty Nectar Lounge to raise money for the band, out-of-work staff and the venue, during the coronavirus disease (COVID-19) outbreak in Seattle, Washington, U.S. March 21, 2020. REUTERS/Jason Redmond 

A locked front door is pictured as the band Cytrus performs a $10 suggested donation live stream concert in front of an empty Nectar Lounge to raise money for the band, out-of-work staff and the venue, during the coronavirus disease (COVID-19) outbreak in Seattle, Washington, U.S. March 21, 2020. REUTERS/Jason Redmond 

A sign that says "we plan to reopen in April, we can't wait to see you soon" is pictured as the band Cytrus performs a live stream concert in front of an empty Nectar Lounge to raise money for the band, out-of-work staff and the venue, during the coronavirus disease (COVID-19) outbreak in Seattle, Washington, U.S. March 21, 2020. REUTERS/Jason Redmond 

A couple passing by stops outside Nectar Lounge as the band Cytrus performs a live stream concert to an empty room to raise money for the band, out-of-work staff and the venue, as efforts continue to help slow the spread of coronavirus disease (COVID-19) in Seattle, Washington, U.S. March 21, 2020. REUTERS/Jason Redmond 

Bees are seen on a honeycomb at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido 

Bees are seen at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido 

A queen bee is seen on a honeycomb at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido 

Bees are seen on a honeycomb at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido 

A bumblebee collects nectar from a flower, in Vina del Mar, Chile October 13, 2019. Picture taken October 13, 2019. REUTERS/Rodrigo Garrido 

Bees are seen on a beekeeper's finger at an apiary, in Casablanca, Chile October 4, 2019. Picture taken October 4, 2019. REUTERS/Rodrigo Garrido 

A bumblebee collects nectar from a flower, in Vina del Mar, Chile October 13, 2019. Picture taken October 13, 2019. REUTERS/Rodrigo Garrido 

A bumblebee collects nectar from a flower, in Vina del Mar, Chile October 13, 2019. Picture taken October 13, 2019. REUTERS/Rodrigo Garrido 

A bee collects nectar on a sunflower in a field near Frauenkirchen in Austria August 2, 2019. REUTERS/Leonhard Foeger 

The queen bee is seen on the frame of a hive in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

Bees are seen on the frame of a hive in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

The queen bee is seen on the frame of a hive in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

A bee collects nectar from a flower in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

A bee collects nectar from a flower in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

A bee collects nectar from a flower in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

A bee is seen on the frame of a hive in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

A bee collects nectar from a flower in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

A bee collects nectar from a flower in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

A bee is seen on the frame of a hive in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

Bees are seen on the frame of a hive in a village of Ripanj near Belgrade, Serbia, April 9, 2019. Picture taken April 9, 2019. REUTERS/Marko Djurica 

A bee is pictured during a cherry blossom season on a street at Berlin's Lichterfelde district, Germany, March 30, 2019. REUTERS/Fabrizio Bensch 

A bee is pictured during a cherry blossom season on a street at Berlin's Lichterfelde district, Germany, March 30, 2019. REUTERS/Fabrizio Bensch 

Migrants from Honduras Nectar Sanchez (back to camera) and his family enjoy ice cream near the Rio Bravo in Piedras Negras, Mexico, February 16, 2019. REUTERS/Alexandre Meneghini 

Migrants from Honduras, Nectar Sanchez (C) and his family, are questioned by a federal police officer in Piedras Negras, Mexico, February 16, 2019. REUTERS/Alexandre Meneghini 

A Palestine sunbird eats the nectar of flowers as a bee flies over at Orange House garden in El-Mansouri village, near Tyre, Lebanon, Lebanon July 29, 2018. Picture taken July 29,2018. REUTERS/Jamal Saidi TPX IMAGES OF THE DAY 

A Palestine sunbird eats the nectar of flowers at Orange House garden, in El-Mansouri village, near Tyre, Lebanon July 29, 2018. Picture taken July 29,2018. REUTERS/Jamal Saidi 

A Palestine sunbird eats the nectar of flowers at Orange House garden, in El-Mansouri village, near Tyre, Lebanon July 29, 2018. Picture taken July 29, 2018. REUTERS/Jamal Saidi 

A Palestine sunbird eats the nectar of flowers as a bee seen at Orange House garden, in El-Mansouri village, near Tyre, Lebanon, Lebanon July 29, 2018. Picture taken July 29, 2018. REUTERS/Jamal Saidi 

A Palestine sunbird eats the nectar of flowers at Orange House garden, in El-Mansouri village, near Tyre, Lebanon July 29, 2018. Picture taken July 29, 2018. REUTERS/Jamal Saidi 

A Palestine sunbird eats the nectar of flowers as a bee flies over at Orange House garden in El-Mansouri village, near Tyre, Lebanon, Lebanon July 29, 2018. Picture taken July 29,2018. REUTERS/Jamal Saidi 

An insect collects nectar from a sunflower on a field near Schneisingen, Switzerland July 4, 2018. REUTERS/Arnd Wiegmann TPX IMAGES OF THE DAY 

An insect collects nectar from a sunflower on a field near Schneisingen, Switzerland July 4, 2018. REUTERS/Arnd Wiegmann TPX IMAGES OF THE DAY