The phrase "a group of insects" is correct and usable in written English.
It can be used when referring to multiple insects collectively, often in a biological or ecological context.
Example: "The garden was filled with a group of insects, buzzing and flitting from flower to flower."
Alternatives: "a swarm of insects" or "a colony of insects."
Wasp, any member of a group of insects in the order Hymenoptera, suborder Apocrita, some of which are stinging.
Blue butterflies are any member of a group of insects in the widely distributed Lycaenidae family of butterflies.
Neuropteran (order Neuroptera), any of a group of insects commonly called lacewings because of the complex vein patterns in the wings, giving them a lacy appearance.
Lygaeid bug (family Lygaeidae), any of a group of insects in the true bug order, Heteroptera, that includes many important crop pests.
Lacewing (order Neuroptera), any of a group of insects that are characterized by a complex network of wing veins that give them a lacy appearance.
Mayfly (order Ephemeroptera), any member of a group of insects known for their extremely short life spans and emergence in large numbers in the summer months.
Although this species surely belongs to the phylum Proteobacteria, it was separated from the main body of Alphaproteobacteria by a group of insect symbionts with highly-degenerated genomes.
These analyses provide a link between envelope proteins from a group of insect retrovirus-like elements and a baculovirus protein family that includes low-pH-dependent envelope fusion proteins.
According to our phylogenetic hypothesis this nematode group is a sister clade to a large strongly supported (0.97 BPP) clade of rGC genes containing vertebrate GC classes (retinal rGC receptors, sensory organ rGCs and the enterotoxin/guanylin rGCs) and a group of insect rGCs.
The first insect, most likely a collembolan (apterygote), from a group of wingless insects that feed on leaf litter and soil, has been recorded from the Devonian Period of Russia and other areas of Asia.
Grasshopper (family Acrididae and Tettigoniidae), any of a group of jumping insects (order Orthoptera) that are found in a variety of habitats.
