Extension Publications

2026

McHenry LC, Underwood RM, Bruckner S, López-Uribe MM.(2026). Organic practices are profitable for backyard beekeepers. American Bee Journal 166(3): 331-334.

McHenry LC, López-Uribe MM, Underwood RM (2025). Managing Non-varroa Pests and Pathogens in Your Organic Apiary. American Bee Journal 165(12): 1321-1323.
Turley NE, Kania SE, Sandoval Arango S, Skvarla MJ, López-Uribe MM. (2025). Bees of Pennsylvania: A Guide to the Genera (Booklet). Penn State Extension. [English] [Spanish] Submit comments
Bruckner S, López-Uribe MM, Underwood RM (2025) Organic honey bee colony management: Choosing the right honey bee stock. American Bee Journal 165(7): 787-789. [link]
Bruckner S, López-Uribe MM, Underwood RM (2025) Choosing an apiary location for organic honey bee colony management. American Bee Journal 165(4): 427-429. [link]

Castillo N, Guevara-Plata D, Jacome-Garcia J, Rengifo-Alfonso N, Martin RD, Cure JR, Aguilar-Benavides ML, López-Uribe MM. (2024) Guía de las Abejas del Parque Chicaque–Bosque de Niebla de los Andes de Colombia (Booklet) [link]
Skvarla M, Biddinger DB, Boyle N, López-Uribe MM (2024) Enemies of Mason Bees. Penn State Extension (Article) [link]
Harpur B, Given K, López-Uribe MM, Underwood RM (2024). Methods of introducing queens. Purdue Extension (Article). [link]
Bruckner S, López-Uribe MM, Underwood RM (2024) Preparing honey bee colonies for winter – What you should know. American Bee Journal 164(10):1061-1063.
Bruckner S, López-Uribe MM, Underwood RM (2024) Approved chemicals for organic colony management. American Bee Journal 164(7):749-751. [link]
Bruckner S, López-Uribe MM, Underwood RM (2024) Non-chemical control methods for Varroa destructor – they exist. American Bee Journal 164(4): 426-429 [link]
Bruckner S, López-Uribe MM, Underwood RM (2024) Current challenges for the production of certified organic honey bee products. American Bee Journal 164(1):79-81. [link]

Bruckner S, López-Uribe MM, Underwood RM (2023) Organic and Treatment-free Colony Management – They are not the same. American Bee Journal 163(10):1123-1125. [link]
López-Uribe MM, Underwood RM, Bruckner S (2023) The benefits of organic beekeeping and how management affects honey bee colony health, survival, and productivity. American Bee Journal 163(7):753-755. [link]

López-Uribe MM (2022) Where do bee pollinators go during the winter?. Penn State Extension (Newsletter Article). [link]
López-Uribe MM (2022) Pumpkins and Squash: What are their pollination needs?. Penn State Extension. (Newsletter Article). [link]
López-Uribe MM, Demchak K, Fleischer SJ, Bird S, Pettita I, Turley NE (2022). Pollination of Blueberry Crops in Pennsylvania. Penn State Extension (Article). [link]

Underwood RM (2021). An organic management system for honey bees. Penn State Extension (Article) [link]
Román-Echevarría G, Fleischer SJ, López-Uribe MM (2021). Cucumber pollination. Penn State Extension (Article) [link] [en Español]
Brochu KK, Fleischer SJ, López-Uribe MM (2021). Biology and pollination services of the squash bee, Eucera (Peponapis) pruinosa. Penn State Extension (Booklet) [link]

Kilpatrick SK, López-Uribe MM (2020) Bees in Pennsylvania: Diversity, Ecology, and Importance Pennsylvania State Extension (Newsletter article). [link]
Underwood RM, López-Uribe MM (2020) How to Keep Bees During COVID. Pennsylvania State Extension (Newsletter article) [link] [en Español]
Grozinger C, Underwood RM, López-Uribe MM (2020) Viruses in Honey Bees. Pennsylvania State Extension (Factsheet) [link]
Stupski, SD, Heywood K, Kietzman P, Underwood RM. (2020) Thermography and Beekeeping. American Bee Journal 160(3):312-322.

López-Uribe MM, Underwood, RM. (2019). Honey Bee Diseases: American Foulbrood. Pennsylvania State Extension (Factsheet) [link] [en Español]
Underwood RM, López-Uribe MM. (2019). Methods to Control Varroa Mites: An Integrated Pest Management Approach. Pennsylvania State Extension [link] [en Español]

Evans K, Hinshaw C, López-Uribe MM. (2018). Tracking the health of Feral Bees in PA, 2018. Pennsylvania State Beekeepers Association Newsletter, October [link]
Evans K, López-Uribe MM. (2018). Why are the Varroa Mites the Deadliest Pest of Our Honey Bees? Pennsylvania State Beekeepers Association Newsletter, June [link]
López-Uribe MM, Amon N, Watrous K, Fleischer S. (2018). Who Pollinates Pennsylvania Blueberry Plants? Penn State Extension Fruit Times, May. [link]
López-Uribe MM. (2018). Spring Bees: Who Are They and Where Do They Live? Penn State Extension, March [link]
Evans K, López-Uribe MM. (2018). Tracking Feral Bee Health in Pennsylvania, preliminary results 2017. Pennsylvania State Beekeepers Association Newsletter, March [link]
Stivers L, López-Uribe MM. (2018). Protecting Pollinators: What Role Can the Greenhouse Industry Play? eGRO alert, 7(7) March [link]

López-Uribe MM. (2017). Tracking the health of feral honey bees in Pennsylvania. Penn State Extension Fruit Times, October [link]
López-Uribe MM (2017). Why are Bees the Best Pollinators? Pennsylvania State Beekeepers Association Newsletter, October [link]
López-Uribe MM (2017). Oxalic Acid: Why, When, and How? Pennsylvania State Beekeepers Association Newsletter, July [link]
Evans KC, Ostiguy N, López-Uribe MM, (2017). Efficacy of Different Methods of Oxalic Acid Application. American Bee Journal 157:505-507 [link]
López-Uribe MM (2017). Tracking the Health of Feral Bees in Pennsylvania. Pennsylvania State Beekeepers Association Newsletter, March [link]