![Working in the lab, 2017 Working in the lab, 2017](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/img_3974.jpg?itok=D2ip2vap)
Microscope work looking at parasitoids on linden aphids, soybean aphids, ladybeetles, and Philornis downsi. Left to right: Komala Kanagala, Elsa Ubel, Michele Ricupero, Simon Heimpel, and Jacqueline Nuzzo, August 2017.
![Ismael and Jacqueline Ismael and Jacqueline](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/img_3465.jpg?itok=jo3eZzZ2)
Jacqueline Nuzzo and Ismael Ramirez finding soybean aphids and parasitoids in St. Paul, Summer 2017.
![Kelton Welch, James Miksanek, Becky Boulton, Matt O'Neal, George Heimpel, and Jonathan Dregni. Kelton Welch, James Miksanek, Becky Boulton, Matt O'Neal, George Heimpel, and Jonathan Dregni.](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/oneal_yummy.jpg?itok=RiREgSuO)
Dr. Matt O'Neal visits from Iowa State University, March 28, 2017. With Kelton Welch, James Miksanek, Becky Boulton, Matt O'Neal, George Heimpel, and Jonathan Dregni.
![Kelton Welch, James Miksanek, and Matt O'Neal. Kelton Welch, James Miksanek, and Matt O'Neal.](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/img_01391crop.jpg?itok=Nq0isu2O)
Kelton Welch and James Miksanek with Matt O'Neal in the Heimpel lab, March 2017.
![Antonio Biondi, Lucia Zapala, and George Heimpel in Catania, Sicily, 2016. Antonio Biondi, Lucia Zapala, and George Heimpel in Catania, Sicily, 2016.](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/p1090242.jpg?itok=2PXhieOT)
Antonio Biondi, Lucia Zappalà, and George Heimpel in Catania, Sicily, 2016.
![Lab 2015 Lab 2015](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/benito.jpg?itok=eSsbcvZT)
Heimpel lab Spring, 2016. Becky Boulton, Joe Kaser, Mariana Bulgarella with Benito, Hannah Gray, Jonathan Dregni, Tony Charvoz, George Heimpel, Carmen, Nic, and Mirella Heimpel-Rossi.
![Dave Ragsdale, Jeremy Chacon, and George Heimpel. Dave Ragsdale, Jeremy Chacon, George Heimpel.](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/d7631589crop_0.jpg?itok=HhVa4k5F)
Dave Ragsdale, Jeremy Chacon, and George Heimpel.
![George Heimpel and Ismael Ramirez, May 2016 in Ecuador. George Heimpel and Ismael Ramirez, May 2016 in Ecuador.](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/maes_20160529_80370.jpg?itok=ygYr99L2)
George Heimpel and Ismael Ramirez checking placement of fly puparia, testing ecological host range of Philornis parasitoids, Loma Alta, Ecuador, 2016.
![Cerro Blanco, 2015 Cerro Blanco, 2015](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/p1030311crop_0.jpg?itok=FuW87vjw)
Christian Barros, Martin Quiroga, Paola Lahuate, and George Heimpel at a beautiful field site just outside of Guayaquil, Ecuador, 2016.
![Martin Quiroga and Ismael Ramirez, Loma Alta, Ecuador, 2016 Martin Quiroga and Ismael Ramirez, Loma Alta, Ecuador, 2016](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/p1030263crop_0.jpg?itok=7AUJcjS9)
Martín Quiroga and Ismael Ramirez, Loma Alta, Ecuador, 2016.
![Mariana Bulgarella, George Heimpel, Martin Quiroga, Gabriel Brito in Cerro Blanco, Ecuador, 2015 Mariana Bulgarella, George Heimpel, Martin Quiroga, Gabriel Brito in Cerro Blanco, Ecuador, 2015](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/p1030013_crop.jpg?itok=Mu0rSGmK)
Mariana Bulgarella, George Heimpel, Martín Quiroga, and Gabriel Brito in Cerro Blanco, Ecuador, 2015.
![Gabriel Brito, Ecuador, 2015 Gabriel Brito, Ecuador, 2015](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/p1010385_crop.jpg?itok=bgFID74J)
Gabriel Brito, Ecuador, 2015.
![George Heimpel and Zhishan Wu. George Heimpel and Zhishan Wu.](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/zhishan_and_mecrop2.jpg?itok=BGRe_Wlo)
George Heimpel and Zhishan Wu, 2003.
![Rob Venette, Thelma Heidel, and George Heimpel. Rob Venette, Thelma Heidel, and George Heimpel.](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/100_0043crop_0.jpg?itok=slt_OHRs)
Rob Venette, Ruth Barta, and George Heimpel, 2006.
![Lab photo 2016 lab 2016](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/lab_group_photo_2016_crop.jpg?itok=a-F9zPgK)
Welcome, from Joe Kaser, Kelton Welch, George Heimpel, Jonathan Dregni, James Miksanek (top row), and Hannah Gray, Becky Boulton, J.J. Weis, and Ismael Ramirez (bottom row).
![Maxime Damiens Maxime Damiens](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/maxime_2017_crop.jpg?itok=nLqwsxyd)
Maxime Damiens, measuring length and width of the eggs from aphid parasitoid Aphelinus certus, October, 2017
![Mary Marek-Spartz measuring garlic mustard to prepare for a biological control study using weevils. Mary Marek-Spartz](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/mary_marek-spartz7.5.jpg?itok=XSrIoTBz)
Mary Marek-Spartz measuring garlic mustard to prepare for a study of biological control using weevils. St. Paul, MN, 2017.
![Matt Kaiser, Joe Kaser, October 2013 Matt Kaiser, Joe Kaser, October 2013](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/2013-10-03_09.46.03cropcrop.jpg?itok=Q1AgTrfv)
Matt Kaiser and Joe Kaser, October 2013.
![Experimental cages. Experimental cages.](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/soybean_008crop_1.jpg?itok=sWyMdk45)
Soybean plants, soybean aphids, and parasitoid wasps: these are the cages which house our colonies.
![Aphelinuds glycinis Aphelinus glycinis](/sites/heimpellab.umn.edu/files/styles/folwell_full/public/files/general/aphelinus_glycinis-4-1_crpsgn.jpg?itok=sVRxehkE)
Aphlinus glycinis ovipositing in Aphis glycines, the soybean aphid.