The phrase "a main host for" is correct and usable in written English.
It can be used when referring to a primary individual or entity responsible for hosting an event, program, or platform.
Example: "The conference will have a main host for the opening ceremony, who will introduce the keynote speakers."
Alternatives: "a primary host for" or "a principal host for".
Picea is currently a main host plant genus for C. aureofulvus, C. elegantior and C. napus in western North America; this has probably been the case for an extended period of time, with a shift in abundance of Picea from eastern to western North America several times over the last 21,000 years [ 32]; however, Abies, Pinus and Tsuga are also potential hosts for these species.
A prevalent problem in the cultivation of Escherichia coli (the main host for pDNA vaccines production) is the aerobic production of acetate.
Zircon hosts Zr, Hf and some U, and apatite is the main host for P (e.g., Hermann 2002; Hermann and Rubatto 2009).
Then, a team led by Herwig Leirs of the University of Antwerp in Belgium modeled the ebb and flow of plague in populations of the great gerbil, the main host for plague and plague-infected fleas.
Our results suggested that the predominant species of hookworms in cats was A. caninum in China, while A. tubaeforme was considered to be the predominant species in Australia [ 11], which strongly supports our suggestion that the prevalent species is related to its geographical distribution, as well as cats could be the main host for A. caninum in China.
The main host for the adult, reproductive stage of the tick, is the white-tailed deer (Odocoileus virginianus).
The results previously obtained with hosts such as leucaena and siratro and now confirmed with Lotus spp. where nodD1 played the major role adds weight to the hypothesis that common bean is not the main host for R. tropici [ 23].
Cattle may serve as the main host for M. bovis worldwide [ 3], while many or most other species such as possums, pigs, cats, dogs, horses and sheep are considered to be spill-over hosts [ 4].
In previous studies the main host for O. unilateralis was C. leonardi and workers of this ant were encountered foraging in trails in the high canopy (>20 m) but these trails were rare in the understory [ 20, 23].
