Table 6 Results of individual studies of Salmonella persistence in incomplete metamorphosis insects.
From: A systematic review of experimental studies on Salmonella persistence in insects
Insect order | Insect genus | Insect species | Insect life cycle stage | Salmonella serotype | Load per contaminated subject | Duration of exposure | Declaration of surface disinfection of the insect | Persistence in insects (days) | Author |
|---|---|---|---|---|---|---|---|---|---|
Blattodea | Blaberus | craniifer, discoidalis | A | Typhi | 9.3 log CFU/insect | SING | No | 17a,b | |
Enteritidis | 9.5 log CFU/insect | SING | No | 1a | |||||
Blatella | germanica | A | NR | NR | 24 h | Yes | 9 | ||
A | Typhimurium | 0–8.8 log CFU/food pellet | 24 h | No | >4 | ||||
A | Typhimurium | 9 different doses ranged from 2.4 log CFU/10 µl to 7.3 log CFU/10 µl | SING | No | Shortest: 3a; longest: 20a | ||||
A | Typhimurium | 9 different doses ranged from 2.4 log CFU/10 µl to 7.3 log CFU/10 µl | SING | No | Shortest: 10; longest: 29 | ||||
A | NR | NR | SING | No | >10 months | ||||
Blatta | orientalis | A | Typhimurium (83) | 0–8.8 log CFU/food pellet | 24 h | No | >4 | ||
NR (Cockroach) | NR | A | Paratyphi B variant Java | NR | 0.5 h | No | 7 | ||
NR | 5a | ||||||||
Periplaneta | americana | A | Typhimurium; Montevideo | NR | 1 h | Yes | >7 | ||
A | Typhimurium | 3.2 log CFU/insect | |||||||
4.27 log CFU/insect | SING | No | 2a | ||||||
A | 4.4 log CFU/insect | 4a | |||||||
A | 5.7 log CFU/insect | 7a | |||||||
A | 6.3 log CFU/insect | 16a | |||||||
A | Typhimurium | 4.8 log CFU/insect | SING | No | 44a,b | ||||
A | Typhimurium | 4.8 log CFU/insect | SING | No | 30a,b,c | ||||
A | Typhimurium | 8 log CFU/insect | SING | Yes | 6 | ||||
2 log CFU/insect | IN | Yes | 4 in males | ||||||
7 in females | |||||||||
2 log CFU/insect | SIN with latex beads | Yes | 9 in males | ||||||
A | Typhimurium (83) | 0–8.8 log CFU/food pellet | 24 h | No | >4 | ||||
Hemiptera | Macrosteles | quadrilineatus | A | Cubana; Enteritidis; Newport; Poona; Schwarzengrund; Baildon; Mbandaka | 5.7 log CFU/insect | 24 h | No | >2 | |
>2d | |||||||||
A | Typhimurium | NR | 12 h | No | >2 |
