A barklouse is another name for a booklouse - any of a variety of small insects who feed on bookbindings, belonging to the order Psocoptera.
Leaf beetle, longhorned beetle, planthopper, and barklouse
Dicopomorpha echmepterygis is a parasitic wasp in the family Mymaridae. The males of this species are the smallest of all known insects. They are blind and wingless and may be no more than 0.139 mm in length (smaller than a single-celled paramecium). Females are 40% larger. Obviously, the eggs and larvae of this wasp are considerably smaller than the adult.This species from Illinois is an idiobiont parasitoid of the eggs of a lepidopsocid barklouse, Echmepteryx hageni. The adult males mate with their sisters inside the host egg, and die without ever leaving the egg; similar life histories can be found in the wasp family Trichogrammatidae, also in the superfamily Chalcidoidea.http://en.wikipedia.org/wiki/Dicopomorpha_echmepterygis
painted lady, American, Vanessa virginiensis(Drury)palamedes swallowtail, Papilio palamedes (Drury)palmas, el cixíido americano de las, Myndus crudus Van Duzeepalm bug, royal, Xylastodoris luteolus Barberpalm caterpillar, cabbage, Litoprosopus futilis (Grote & Robinson)palm cixiid, American, Myndus crudus Van Duzeepalmetto scale, Comstockiella sabalis Comstockpalmetto tortoise beetle, Hemisphaerota cyanea (Say)palmetto weevil, Rhynchophorus cruentatus Fabriciuspalm mite, red, Raoiella indica Hirstpantropical jumping spider, Plexippus paykulli(Audouin)papaya fruit fly, Toxotrypana curvicauda Gerstaeckerpapaya mealybug, Paracoccus marginatus Williams and Granara de Willinkparasitoid, brown citrus aphid, Lipolexis scutellarisMackauerparasitoid, a citrus blackfly, Amitus hesperidumSilvestriparasitoid, a citrus blackfly, Encarsia opulenta(Silvestri)parasitoid, a citrus leafminer, Ageniaspis citricolaLogvinovskayaparasitoid, a citrus leafminer, Cirrospilus ingenuusGahanparasitoid, a citrus leafminer, Semielacher petiolatus(Girault)parasitoid, a citrus whitefly, Encarsia lahorensis(Howard)parasitoid, a cockroach egg, Evania appendigaster(Linnaeus)parasitoid, a wasp, Cotesia marginiventris (Cresson)parasitoid, a wasp, Diachasmimorpha longicaudata(Ashmead)parasitoid, a wasp, Diadegma insulare (Cresson)parasitoid, a wasp, Meteorus autographae Muesebeckpea leafminer, Liriomyza huidobrensis (Blanchard)peach aphid, green, Myzus persicae (Sulzer)peach scale, white, Pseudaulacaspis pentagona(Targioni)peachtree borer, Synanthedon exitiosa (Say)pearls, ground, Margarodes spp.peelminer, citrus, Marmara gulosa Guillèn and Davispeppertree seed chalcid, Brazilian, Megastigmus transvaalensis (Hussey)pepper weevil, Anthonomus eugenii Canopersimmon psylla, Trioza diospyri (Ashmead)pest, stored products, Oryzaephilus acuminatusHalsteadphalaenopsis mite, Tenuipalpus pacificus Bakerphaon crescent, Phyciodes phaon (Edwards)Pharaoh ant, Monomorium pharaonis (Linnaeus)pickleworm, Diaphania nitidalis (Stoll)picture-winged fly, Delphinia picta (Fabricius)pigeon louse fly, Pseudolychia canariensis (Macquart)pigmy blue, eastern, Brephidium isophthalma pseudofoea(Morrison)pine beetle, southern, Dendroctonus frontalisZimmermannpine coneworm, southern, Dioryctria amatella (Hulst)pine sawflies, Neodiprion spp.pine shoot beetle, Tomicus piniperda (Linnaeus)pine tip moth, Nantucket, Rhyacionia frustrana(Comstock)pine webworm, Pococera robustella (Zeller)pink hibiscus mealybug, Maconellicoccus hirsutus(Green)pinworm, tomato, Keiferia lycopersicella (Walshingham)planarians land, or flat worm, Bipalium kewenseMoseleyplanarian, land, or flat worm, Dolichoplana striataMoseleyplant bug, tarnished, Lygus lineolaris (Palisot de Beauvois)planthopper, a flatid, Ormenaria rufifascia (Walker)planthopper, citrus flatid, Metcalfa pruinosa (Say)pleasing fungus beetles, Pseudischyrus, Tritoma, Megalodacne, and Ischyrus spp.pod borer, bromeliad, Epimorius testaceellus Ragonotpolydamas swallowtail, Battus polydamas lucayus (Rothschild & Jordan)potato beetle, Colorado, Leptinotarsa decemlineata(Say)potato beetle, false, Leptinotarsa juncta (Germar)potter wasps, Eumenes spp.powder-post beetle, false, Xylopsocus capucinus(Fabricius)predatory gall midge Feltiella acarisuga (Vallot)predatory mite, Neoseiulus californicus (McGregor)predatory stink bug, Alcaeorrhynchus grandis (Dallas)predatory stink bug, Florida, Euthyrhynchus floridanus(Linnaeus)predatory stink bug, Stiretrus anchorago (Fabricius)primitive weevils, Brentinaeproturanspsocid - webbing barklouse, Archipsocus nomas Gurneypsylla, persimmon, Trioza diospyri (Ashmead)psyllid, Boreioglycaspis melaleucae Moorepsyllid, Asian citrus, Diaphorina citri Kuwayamapsyllid, eucalyptus, Blastopsylla occidentalis Taylorpsylla, false-mastic, Ceropsylla sideroxyli Rileypsyllid, hackberry petiole gall, Pachypsylla venusta(Osten-Sacken)psyllid, red bay, Trioza magnoliae (Ashmead)psyllid, red gum lerp, Glycaspis brimblecombei Moorepumpkin fly, lesser, Dacus ciliatus (Loew)purple hairstreak, great, Atlides halesus (Cramer)purple, red-spotted, Limenitis arthemis astyanax(Fabricius)purplewing, dingy, Eunica monima (Stoll)HOPE THIS HELPS!