Theclini

Genus Guides

Theclini is a tribe of butterflies within the Theclinae of Lycaenidae. Members are distributed primarily across Asia, with extensive study in Taiwan, China, Japan, and India. The tribe exhibits diverse mating tactics including territoriality and patrolling, with associated morphological adaptations in wing stiffness. Larval associations include oaks (Quercus), walnuts (Juglans, Cyclocarya), ash (Fraxinus), and Lithocarpus.

Nature neighbors (Plate) (6276929932) by Abbott, Gerard Alan.; Banta, Nathaniel Moore; Higley, William Kerr; Schneider, Albert. Used under a Public domain license.

Birds Illustrated Butterflies 0403 by Nature Study Publishing Company, Chicago.. Used under a Public domain license.

Hypaurotis crysalus 59618276 by Robb Hannawacker. Used under a CC0 license.

Pronunciation

How to pronounce Theclini: /ˈθɛk.laɪ.naɪ/

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Images

Habitat

Forest associated with specific plants; includes deciduous oak forests, walnut forests, and mixed broadleaf woodlands. Specific associations documented with Quercus dentata in Taiwan, Cyclocarya paliurus in Sichuan, Lithocarpus corneus in Guangxi and Vietnam, and Fraxinus bungeana in northern China.

Distribution

Primarily Asian distribution. Documented from Taiwan, Japan, continental China (Sichuan, Beijing, Guangxi), Vietnam, and India (Arunachal Pradesh, Sikkim, Darjeeling). Related show broader ranges across the Asiatic continent.

Host Associations

Quercus dentata - probable larval most likely candidate for Antigius jinpingi, though unconfirmed
Cyclocarya paliurus - confirmed larval corrected for Araragi panda; previously misidentified as Juglans sigillata
Lithocarpus corneus - confirmed larval first record for Theclini; Chrysozephyrus laoshanensis
Fraxinus bungeana - confirmed larval Ussuriana fani wangi in northern China
Juglans - larval walnut occurred once in Theclini evolution; includes iron walnut (Juglans sigillata) though some records corrected

Life Cycle

Complete with , larva, pupa, and stages. Larval chaetotaxy and egg/pupal show taxonomic utility for phylogenetic analysis within subtribes such as Cheritrina. stages described for some including detailed chaetotaxy patterns.

Behavior

Males employ diverse mate-locating tactics including territoriality and patrolling. Territorial males exhibit stiffer wings than patrolling males across . in wing stiffness correlates with mating tactic: females of patrolling species have stiffer wings than males, while males of territorial species have stiffer wings than conspecific females. Monandrous species tend toward sexual dimorphism in wing color and male territoriality.