Micrerethista denticulata Davis, 1998

Lee, Dong-June, Ko, Jae-Ho, Lee, Tak-Gi & Bae, Yeong-Bin Cha and Yang-Seop, 2020, First report of Harmacloninae (Lepidoptera, Tineidae) in Korea, Journal of Species Research 9 (2), pp. 162-166 : 164-165

Micrerethista denticulata Davis, 1998

OiḤĦNẘ나® (ṳḏ) ( Figs. 1-5 )

Micrerethista denticulata Davis, 1998: 29 . Type locality: Thailand.

Adult ( Figs. 1 , 3 ). Wingspan 12-16 mm in male, 14 mm in female. Head covered white to pale gray, heavily spotted with dark brown to fuscous, subapically banded scales. Antenna flagellum with dorsum entirely covered anales setae. Apophyses posteriores approximately 1.9 times as long as apophyses anteriores. Ventral margin of ostium slightly U-shaped. Antrum flared caudally. Ductus bursae approximately 0.7 times as long as the length of apophyses anteriores. Corpus bursae semiovate, without sigum.

Material examined. 1♂, 1$, Mt. Sokri, Sangju-si , Gyeongsangbuk-do, 17. VII. 1998 (Bae Y.S., Ahn N.H. & Kim Y.G.) ; 3♂, Mt Godae, Yeoncheon-gun , Gyeonggi-do, 11-12. VII. 2000 (Paek M.K.) ; 5♂, 1$, Mt. Deokga, Wonju-si, Gangwon-do , 6. VII. 2016 (Bae Y. S., Lee D.J., & Ko J.H.) ; 4♂, Mt. Baekun, Gwangyang-si , Jeollanam-do, 24. VI. 2018 (Bae Y.S., Lee D.J., Ko J.H., Lee T.G., Cha Y.B., & Jang C.M.) genitalia slide no. INU-5621, -5622 (Incheon National University) .

Distribution. Korea (Gyeonggi-do, Gangwon-do, Gyeongsangbuk-do, Jeollanam-do), Japan, Indonesia, Malaysia, Thailand.

Remarks. This species is distinguished from the other species by following characters; male genitalia with reduced phallotreme teeth; latter lacks the prominent, basal keel of the aedeagus.

with broad white scales over basal 1/3, becoming grayishbrown, and 2/5 of forewing length. Labial palpus similar to head in color except covered laterally with more fuscous scales. Thorax similar to head in color except darker, with more fuscous-tipped scales and a few scattered, pale brown scales. Forewing white to light gray with scattered, fuscous-tipped scales forming a spotted pattern; costal area the palest, with heavier irroration of fuscous dorsal to radius and with largest fuscous spot at distal end of cell. Hindwing usually gray, sometimes with a pale golden luster. Abdomen sternum II is strongly modified with a pair of ventral tympana.

Male genitalia ( Fig. 4 ). Uncus triangular with bifid tips, and with numerous setae inwardly. A pair of arms gnathos hook-shaped. Valva with dorsal lobe moderately slender at base, about 6 times as long as the length of saccus. Juxta large, slightly turn V-shaped. Saccus short, about 0.5 times as long as length of uncus, with rounded tip. Aedeagus cylindrical with three pairs of minute spines along lateral rim of apex; basal keel well developed.

Female genitalia ( Fig. 5 ). Ovipositor long with papillae

Figures

Fig. 1. Paired tympanic organs on SII of Micrerethista denticulata Davis, 1998.

Fig. 2. Wing venation of Micrerethista denticulata Davis, 1998, ♂.

Fig. 3.Adult of Micrerethista denticulata Davis, 1998, ♂.

Fig. 4. Male genitalia of Micrerethista denticulata Davis, 1998.

Fig. 5. Female genitalia of Micrerethista denticulata Davis, 1998.