Loensia moesta, copyright Robert Webster.

Belongs within: Psocinae.

Loensia is a genus of barklice in which the fore wings are extensively marked with scattered blotches.

Characters (from Mockford 1993): Adults of both sexes macropterous. Five distal inner labral sensilla present. Fore wing marked with scattered spotting and blotching over most of wing surface with no particular pattern. Hypandrium with or without basal sclerites; asymmetrical medial strap present based on right side, usually trending leftward, bent upward and forward at apex, sometimes not bending leftward but a lobe or process on left side sometimes as long as or longer than strap. Phallosome with short anterior apodeme; distally with a single process, usually symmetrical. Male epiproct chair-shaped, extending anteriorly over clunium. Subgenital plate with distal process short and wide, about as long as, or slightly shorter than, its basal width; pigmented arms slender, directed forward, abruptly widening to form broad, quadrate lateral areas. Ovipositor valvulae with apical process of v2 long and slender; v3 relatively slender, transverse, with moderate to long median lobe.

<==Loensia Enderlein 1924 L02 [=Lensia (l. c.) L03]
    |--*L. fasciata (Fabricius 1787) M93 (see below for synonymy)
    |--L. bannaensis Li 2002 L02
    |--L. beijingensis Li 2002 L02
    |--L. bifurcata (Li 1992) [=Trichadenotecnum bifurcatum] L02
    |--L. binalis Li 2002 L02
    |--L. conspersa (Banks 1903) [=Psocus conspersus, Psocidus conspersus] M93
    |--L. dolabrata (Li & Yang 1987) [=Trichadenotecnum dolabratum] L02
    |--L. excrescens Li 1997 L02
    |--L. falcata Li 1997 L02
    |--L. folivalva Li 2002 L02
    |--L. fuscimacula Enderlein 1926 NL07
    |--L. glabridorsum Enderlein 1926 NL07
    |--L. guangdongica (Li 1993) L02 [=Trichadenotecnum guangdongicum L03, T. guandongicum (l. c.) L03]
    |--L. hengshanica Li 2002 L02
    |--L. infundibularis (Li 1989) [=Trichadenotecnum infundibularis] L02
    |--L. maculosa (Banks 1908) [=Myopsocus maculosus, Psocus maculosus, Trichadenotecnum (Loensia) maculosum] M93
    |--L. moesta (Hagen 1861) [=Psocus moestus, Amphigerontia moestus, Trichadenotecnum moestum] M93
    |--L. octogona Li 2002 L02
    |--L. pearmani Kimmins 1941 (see below for synonymy) L98
    |--L. pycnacantha Li 2002 L02
    |--L. rectangula (Li 1992) [=Trichadenotecnum rectangulum] L02
    |--L. scrobicularis (Li 1992) [=Trichadenotecnum scrobicularum] L02
    |--L. spicata Li 1995 L02
    |--L. spissa Li 1995 L02
    |--L. stigmatoidea (Li 1993) L03, L02 [=Trichadenotecnum stigmatoideum L02, L. stigmatoides (l. c.) L03]
    |--L. taeniana (Li & Yang 1987) [=Trichadenotecnum taenianum] L02
    |--L. teretiuscula (Li & Yang 1987) [=Trichadenotecnum teretiusculum] L02
    `--L. variegata (Latreille 1799) (see below for synonymy) L98

*Loensia fasciata (Fabricius 1787) M93 [=Hemerobius fasciatus M93, Amphigerontia fasciata M93, Psocus fasciatus L02, Trichadenotecnum (Loensia) fasciatum M93; incl. P. pilicornis Latreille 1799 M93, Loensia fasciata ab. psocoides Enderlein 1910 L98]

Loensia pearmani Kimmins 1941 [incl. Trichadenotecnum macilentum Roesler 1943, Psocus picicornis Stephens 1836 non Hemerobius picicornis Fabricius 1793] L98

Loensia variegata (Latreille 1799) [=Psocus variegatus; incl. P. atomarius Stephens 1836, P. flavonimbatus Rostock 1879] L98

*Type species of generic name indicated


[L02] Li F. 2002. Psocoptera of China vol. 2. Science Press: Beijing.

[L98] Lienhard, C. 1998. Faune de France. France et Régions Limitrophes. 83. Psocoptères Euro-Méditerranéens. Fédération Française des Sociétés de Sciences Naturelles: Paris.

[L03] Lienhard, C. 2003. Nomenclatural amendments concerning Chinese Psocoptera (Insecta), with remarks on species richness. Revue Suisse de Zoologie 110 (4): 695–721.

[M93] Mockford, E. L. 1993. North American Psocoptera (Insecta). Sandhill Crane Press, Inc.

[NL07] New, T. R., & C. Lienhard. 2007. The Psocoptera of Tropical South-east Asia. Brill: Leiden.

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