Fig. 1

Fig. 2

Summarizes the social and innate defence responses against the various foreign bodies
| Immune Parameter | Foreign Body |
|---|---|
| Social Immunity | |
| Social fever | Fungi (Starks et al., 2000) |
| Plant Resins | Bacteria (Antúnez et al., 2008) |
| Grooming | Tracheal mite (Danka & Villa, 1998) |
| Hygienic behaviour | Fungi (Gilliam et al., 1983) |
| Division of labour | Pathogen transmission (Naug & Camazine, 2002) |
| Innate Immunity | |
| Phagocytosis | Small bacteria and virus (James & Xu, 2012; Larsen et al., 2019) |
| Nodulation | Fungi (James & Xu, 2012; Larsen et al., 2019) |
| Encapsulation | Large parasites (James & Xu, 2012; Larsen et al., 2019) |
| Antibacterial activity | Neonicotinoids and bacteria (Dickel et al., 2018) |
| Antimicrobial peptides | Varroa and Virus (Gregorc et al., 2012) |
| RNA interference, dsRNA | Virus (Brutscher et al., 2015) |
| Prophenoloxisade activation | Microbial infection (Li et al., 2018) |