Matsumuraiella radiopicta, photographed by Kazunori Yoshizawa.

Belongs within: Psocomorpha.
Contains: Stenopsocidae, Caeciliusidae, Kodamaius, Dasydemella, Amphipsocini, Siniamphipsocus.

The Caeciliusetae are a clade of barklice characterised by the absence of a preapical tooth on the pretarsal claw, and reduction of the external valve of the gonapophyses. Members of the clade are divided between the small bark-dwelling family Asiopsocidae and the more diverse foliage-dwelling Caeciliusoidea (Yoshizawa 2002). Members of Caeciliusoidea have elongate mandibles that are posteriorly excavated whereas Asiopsocidae retain short to medium-length mandibles (Mockford 1993).

Characters (from Yoshizawa 2002): Small to large in size, about 2–10 mm in length. Sexual dimorphism present. Head with rounded vertex; eyes variable; ocelli complete, clustered on small tubercle; mandible more or less elongate, outer margin angled; galea ball-shaped; labial palpus somewhat triangular. Prothorax less bulged dorsally; preepisternum of prothorax elongate. Pterothorax greatly bulged dorsally in winged form; mesothorax with broad precoxal bridge and narrow trochantin; metathorax with broad membranous region. Forewing variable in venation, size, shape, and colour; posteroproximal corner smoothly rounded. Hindwing with smoothly rounded posteroproximal corner; ciliation variable; Sc clear; Rs and M + Cu fused for long distance basally; Rs and M fused. Tarsi 2-segmented; claws without preapical tooth. Male genitalia: Hypandrium simple, posterior margin smoothly rounded. Phallosome: aedeagus pointed apically, strongly arched in lateral aspect; paramere extended along aedeagus, strongly arched in lateral aspect; phallobase simple and narrow, anterior margin not divided; endophallus usually with weakly sclerotized region but never with rod-like sclerites. Female genitalia: Subgenital plate simply rounded or slightly hollowed posteriorly. Gonapophyses variable; external valve more or less reduced.

<==Caeciliusetae [Caecilietae]
    |--Asiopsocidae [Asiopsocoidea]NL07
    |    |--Pronotiopsocus Mockford 1983M93
    |    |    `--*P. amazonicusM93
    |    |--Notiopsocus Banks 1913 [incl. Lenkoella Machado-Allison & Papavero 1964]M93
    |    |    |--*N. simplexM93
    |    |    |--N. aldreteiY02
    |    |    |--N. machadoi Badonnel 1955B55
    |    |    `--N. vilhenai Badonnel 1955B55
    |    `--Asiopsocus Günther 1968Y02
    |         |--*A. mongolicus Günther 1968L02
    |         |--A. meridionalis Lienhard 1981L98
    |         |--A. sonorensis Mockford & García Aldrete 1976M93
    |         |--A. vanharteni Lienhard 1995L98
    |         `--A. wulingshanensis Li 2002L02
    `--Caeciliusoidea [Caecilioidea]NL07
                 |  i. s.: Brachypsocus Lienhard 1979L98
                 |           `--*B. badonneli Lienhard 1979L98
                 |--Calocaecilius Mockford 1974L03 [CalocaecillinaeNL07]
                 |    |--*C. decipiens Mockford 1974NL07
                 |    `--C. apertus Thornton 1984NL07
                 |--Dasydemellinae [Dasydemellidae]NL07
                 |    |--PtenopsilaM93
                 |    |--DasydemellaSN04
                 |    |--Teliapsocus Chapman 1930M93
                 |    |    |--*T. conterminus (Walsh 1863) (see below for synonymy)M93
                 |    |    `--T. distinctus Badonnel 1986B86
                 |    `--Matsumuraiella Enderlein 1906L02
                 |         |--*M. radiopicta Enderlein 1906L02
                 |         |--M. auriformis Li 1989L02
                 |         |--M. enderleini Banks 1937L02
                 |         |--M. guichengana Li 1997L02
                 |         |--M. maculosa Li 1997L02
                 |         |--M. perducta Li 2002 [=M. producta Li 2001 (n. n.)]L03
                 |         |--M. quadripunctata Li 1993L02
                 |         `--M. wangae Li 1997L02
                 `--Amphipsocinae [Polypsocidae]NL07
                      |  i. s.: Harpezoneura ambigua Badonnel 1946B55
                      |         Polypsocus Hagen 1866 [incl. Ptilopsocus Enderlein 1900]M93
                      |           |--*P. corruptus (Hagen 1861) (see below for synonymy)M93
                      |           `--P. fasciatus Banks 1908M74
                      |--Dasypsocus Enderlein 1906L02 [DasypsociniNL07]
                      |    |--*D. solox (Enderlein 1903) [=Kolbea solox]NL07
                      |    |--D. angolensis Badonnel 1955B55
                      |    |--D. brunneus Badonnel 1955B55
                      |    |--D. pilosus Badonnel 1955B55
                      |    `--D. tibialis Badonnel 1955B55
                      `--Kolbiini [Kolbeinae, Kolbeini]NL07
                           |--Pseudokolbea Li 2002L02 [=PseudoklobeaL03, PseudokolbaL03]
                           |    |--*P. nigrisetosa Li 2002 [=P. nigrietosa]L03
                           |    |--P. immaculata (Li & Yang 1992) [=Kolbea immaculata]L02
                           |    |--P. phaea Li 2002L03
                           |    |--P. xanthoptera Li 2002L03
                           |    `--P. xuthosticta Li 2002L03
                           |--Kolbia Bertkau 1883L98 [=KolbeaNL07]
                           |    |--*K. quisquiliarum Bertkau 1882L98 [=Kolbea quisquiliarumG74]
                           |    |--K. bakeri Banks 1916NL07
                           |    |--K. hummeli Enderlein 1936L02
                           |    |--K. maculipennis Karny 1925NL07
                           |    `--K. serialis Banks 1937L02

*Polypsocus corruptus (Hagen 1861) [=Psocus corruptus; incl. Psocus abruptus Hagen 1861, Polypsocus abruptus, Ptilopsocus annulicornis Banks 1903, Po. corruptus var. omissus Banks 1938, Po. corruptus var. pictilis Banks 1938]M93

*Teliapsocus conterminus (Walsh 1863) [=Psocus conterminus, Elipsocus conterminus, Matsumuraiella contermina; incl. Psocus canadensis Provancher 1876, Caecilius definitus Aaron 1883]M93

*Type species of generic name indicated


[B55] Badonnel, A. 1955. Psocoptères de l’Angola. Diamang Publicações Culturais 26: 11–267.

[B86] Badonnel, A. 1986. Psocoptères de Colombie (Insecta, Psocoptera). Spixiana 9 (2): 179–223.

[G74] Günther, K. K. 1974. Staubläuse, Psocoptera. Die Tierwelt Deutschlands 61: 1–315.

[L02] Li F. 2002. Psocoptera of China vol. 1. 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.

[M74] Mockford, E. L. 1974. Records and descriptions of Cuban Psocoptera. Entomologica Americana 48 (2): 103–215.

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

[M03] Mockford, E. L. 2003. New species and records of Psocoptera from the Kuril Islands. Mitt. Mus. Nat.kd. Berl., Dtsch. Entomol. Z. 50 (2): 191–230.

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

[SN04] Schmidt, E. R., & T. R. New. 2004. A systematic and phylogenetic revision of the family Elipsocidae (Insecta: Psocoptera), with the erection of two new families: Lesneiidae and Sabulopsocidae. Invertebrate Systematics 18: 157–213.

[Y02] Yoshizawa, K. 2002. Phylogeny and higher classification of suborder Psocomorpha (Insecta: Psocodea: ‘Psocoptera’). Zoological Journal of the Linnean Society 136: 371–400.

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