File:Poinar, G. 2012 Fig. 4.jpg

Summary
[[Media:Poinar, G., Jr. 2012. Nematode parasites and associates of ants Past and present.pdf|Poinar, G., Jr. 2012. Nematode parasites and associates of ants: Past and present. Psyche, 2012, Article ID 192017, 13 pages (DOI 10.1155/2012/192017).]]

Figure 4: Heydenius formicinus adjacent to its worker ant host in Baltic amber.