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Abstract
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The cosmopolitan plant species Glycyrrhiza glabra L. (Fabaceae), licorice, has medicinal
importance and is frequently used in food, confectionery and pharmaceutical products. Until now,
two eriophyoid species were found on G. glabra, Tetra glycyrrhizae Denizhan, Monfreda,
Çobanoglu & de Lillo, 2007 from Turkey and Aculus lorestaniensis Lotfollahi, Hayatolgheyb &
Jafari, 2017 from Iran. In order to study the eriophyoid mites associated to Fabaceae plants in
Hatamvand village of Lorestan province (Iran), a preliminary sample collection on licorice was
done on early July 2014. Eriophyoid mites were recovered from the samples through their direct
examination under a stereomicroscope and were slide mounted according to Baker et al. (1996). All
morphological measurements were taken by means of a phase contrast microscope Olympus BX53
according to Amrine and Manson (1996) as modified by de Lillo et al. (2010). A third species,
Tegolophus sp. nov., was found and described. The low population of mites was vagrant on both
sides of the leaves and no apparent damage was observed. Until now about 81 Tegolophus species
have been described worldwide and three of them have been found in Iran, including: T. hassani
(Keifer, 1959) from Olea europaea L. (Oleaceae); T. califraxini (Keifer, 1938) from Fraxinus
rotundifolia Miller (Oleaceae); T. marrubiumer Xue, Sadeghi & Honarmand, 2016 on Marrubium
vulgare L. (Lamiaceae). The new species is completely different from all Tegolophus species found
on Fabaceae. It has few similarities with T. braziliensis Keifer, 1969 in dorsal and ventral
semiannuli number and ornamentation, genital coverflap ornamentation and setae 3a length, small
spines projecting forward from the underside of the frontal lobe. These two species distinctly differ
from each other in prodorsal shield size and ornamentation, coxal ornamentation, number of the
empodial rays and setae sc, c2, d, e and f length. This is the third eriophyoid mite and the first
Tegolophus spec
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