Romblonella
Romblonella is a genus of myrmicine ants. Systematics. "Romblonella" is probably the sister taxon to "Stereomyrmex". Closely related genera are "Leptothorax" and "Cardiocondyla". Biology. Very little is known about these uncommon ants. Most species were found to nest in twigs on trees and to forage on low vegetation. Description. Workers of "R. opaca" are about 4 mm long. They have a small sting. "R. opaca" was described from four specimens found on Romblon Island, Philippines, by Wheeler (1935). However, the species had already been described by F. Smith in 1861 as "Myrmica opaca", which had been collected at Tondano , Sulawesi by Alfred Russel Wallace. "R. elysii" workers are 2 mm long. They were originally described as "Crematogaster" from a few workers from the Solomon Islands. "R. heatwolei" workers are almost 4 mm long. Only for "R. palauensis" and "R. heatwolei" have males been described. Distribution. "Romblonella" is found from the Philippines south through New Guinea, with one species known from Australia. The distribution stretches to the islands of the western South Pacific. Name. The genus is named after the locality where the type species was found.