Ptycta polluta, photographed by Graham Montgomery.

Belongs within: Psocinae.

Ptycta is a widespread genus of barklice, with a particular radiation of species on the Hawaiian islands.

Characters (from Mockford 1993): Adults of both sexes macropterous. Nine distal inner labral sensilla. Forewing markings extremely variable: usually a dark mark in pterostigma and dark marks on diagonal from pterostigma base to nodulus, but some species with extensive wing banding. Hypandrium with or without basal sclerites; with asymmetrical median strap based in middle or right, some species with processes at base of strap. Phallosome slightly tapering and rounded anteriorly; distally with pair of semi-membranous (presumed) external parameres and median aedeagal process of varying width, usually bifid at apex. Mape epiproct chair-shaped, extending anteriorly over clunium. Male paraproct with distal process long, slender, acuminate; no bulge on shoulder lateral to process; sense cushion near base of paraproct; basal articular region short and broad. Subgenital plate with distal piece short and wide, about as long as its basal width; pigmented arms directed anterolaterally, somewhat widened distally. Ovipositor valvulae: v2 with long, slender distal process; v3 ovoid; median lobe variable—prominent to absent.

<==Ptycta Enderlein 1925 SN04
    |--*P. haleakalae M93 [=Psocus baleakalae L02]
    |    |--P. h. haleakalae CT72
    |    `--P. h. hualalai CT72
    |--P. abouchari Badonnel 1986 B86
    |--P. acraea B86
    |--P. apicantha CT72
    |    |--P. a. apicantha CT72
    |    |--P. a. mauiensis CT72
    |    |--P. a. multicantha CT72
    |    `--P. a. nadleri CT72
    |--P. apicanthoides CT72
    |    |--P. a. apicanthoides CT72
    |    `--P. a. palligena CT72
    |--P. curvata Li 2002 L02
    |--P. dentata B86
    |--P. diadela CT72
    |--P. diastema CT72
    |--P. dicrosa CT72
    |--P. disclera CT72
    |    |--P. d. disclera CT72
    |    `--P. d. iaoensis CT72
    |--P. distinguenda CT72
    |--P. drepana CT72
    |--P. drepanoides CT72
    |--P. elegantula Li 1999 L02
    |--P. episcia CT72
    |--P. expansa B86
    |--P. fittkaui Badonnel 1986 B86
    |--P. flavipalpae Li & Yang 1987 L02
    |--P. frogneri CT72
    |--P. furcata Li 1993 L02
    |--P. giffardi CT72
    |--P. gynegonia CT72
    |--P. hardyi CT72
    |--P. heterogamias CT72
    |--P. incurvata Thornton 1960 L02
    |--P. kaala CT72
    |--P. kauaiensis CT72
    |--P. lanaiensis CT72
    |    |--P. l. lanaiensis CT72
    |    |--P. l. fusca CT72
    |    |--P. l. halawa CT72
    |    `--P. l. persclera CT72
    |--P. leurothorax CT72
    |--P. lineata Mockford 1974 M93
    |--P. lobophora CT72
    |--P. maculifrons CT72
    |--P. microctena CT72
    |--P. microglena CT72
    |--P. molokaiensis CT72
    |--P. monticola CT72
    |--P. oahuensis CT72
    |--P. oligocantha CT72
    |--P. paranense B86
    |--P. pardena CT72
    |--P. pedina CT72
    |--P. perkinsi CT72
    |--P. persimilis CT72
    |--P. pikeloi CT72
    |--P. placophora CT72
    |--P. polluta (Walsh 1862) (see below for synonymy) M93
    |--P. pupukea CT72
    |--P. revoluta Li 2002 L02
    |--P. rhina CT72
    |--P. schisma CT72
    |--P. simulator CT72
    |    |--P. s. simulator CT72
    |    |--P. s. kilauea CT72
    |    |--P. s. konae CT72
    |    `--P. s. stena CT72
    |--P. sinuatistigma B86
    |--P. stenomedea CT72
    |--P. swezeyi CT72
    |--P. sylvestris CT72
    |--P. symmetrica CT72
    |--P. telma CT72
    |--P. unica CT72
    |    |--P. u. unica CT72
    |    `--P. u. hawaiiensis CT72
    |--P. vittipennis CT72
    `--P. zimmermani CT72

Ptycta polluta (Walsh 1862) [=Psocus pollutus, Psocidus pollutus; incl. Psocus texanus var. submarginatus Aaron 1886] M93

*Type species of generic name indicated


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

[CT72] Chui, V. W. D. & I. W. B. Thornton. 1972. A numerical taxonomic study of the endemic Ptycta species of the Hawaiian Islands (Psocoptera: Psocidae). Systematic Zoology 21 (1): 7-22.

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

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

[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.

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