Dagualachesilla, García Aldrete, Alfonso N., Obando, Ranulfo González & Carrejo, Nancy S., 2013

García Aldrete, Alfonso N., Obando, Ranulfo González & Carrejo, Nancy S., 2013, New genera of Lachesillidae (Psocodea: ’ Psocoptera’: Eolachesillinae: Graphocaeciliini) from Valle del Cauca, Colombia, Zootaxa 3647 (4), pp. 555-566 : 556-560

Dagualachesilla n. gen.

Diagnosis. Belonging in the Graphocaeciliini . Ocelli absent. Forewing veins with a row of conspicuous setae, except on Cu2. Hypandrium with sides and posterior border distinctly thickened. Endophallus large, formed by a compact group of small sclerites. Aedeagal arch projected posteriorly in the middle. External parameres broad, with a slender, distal projection. Posterior border of clunium, over the area of the epiproct, with a broad, elongate, curved, spatulate posterior projection that covers most of the epiproct. Male paraprocts with a distinct, elongate sclerotized anterior projection, joined to clunium. Female subgenital plate with a median concavity posteriorly; gonapophyses joined to clunium, V1 absent, and V 2 +3 elongate, joined to clunium, distally pointed, with a row of macrosetae along outer border.

Etymology. The generic name is a compound word formed with Dagua, the municipality where the two species of this genus were found, and Lachesilla .

Type species. Dagualachesilla anchicayaensis n. sp.

Dagualachesilla anchicayaensis n. sp. ( Figs 1 , 4–16 )

Diagnosis. Male with distal end of abdomen bulbous ( Figs 1 , 8 ); hypandrium setose, rounded posteriorly, broad, with sides and posterior border distinctly thickened ( Fig. 7 ). Phallosome broadly triangular ( Figs 10, 11 ). Posterior border of clunium, over the area of the epiproct, extended posteriorly to form an elongate, curved, spatulate projection, wider distally, with posterior border almost straight ( Fig. 12 ). Aedeagal arch attached below and laterally to external parameres, with a stout, blunt ended, slightly knobbed on sides, posterior projection ( Figs 10, 11 ). Female subgenital plate broad, densely setose, with a median concavity in the middle of posterior border ( Fig. 16 ); IX sternum thick, pigmented, almost rectangular; gonapophyses elongate, narrowing distally, with a membranous area of small spicules near the inner border of the distal third, with long setae along outer border ( Fig. 15 ).

Male. Color (in 80% ethyl alcohol). Tawny brown, compound eyes black, legs pale brown, forewings darker than the hindwings. Tergal lobes of meso- and metathorax brown, abdomen creamy, with brown, transverse subcuticular rings, little pigmented ventrally ( Fig. 1 ). Clunial projection brown, setose; epiproct and paraprocts pale brown.

Morphology. As in diagnosis, plus the following: Head with abundant setae ( Fig. 6 ). Compound eyes prominent, with setae between the ommatidia. Forewing L/W: 2.80. Forewing pterostigma elongate, narrow anteriorly, much wider posteriorly, lp/wp: 2.70, with setae scattered in the membrane, mostly near the costal margin. Areola postica almost triangular ( Fig. 4 ). Hindwing L/W: 2.89 ( Fig. 5 ). Endophallus with sides deeply concave, slightly concave anteriorly, almost straight posteriorly. Paraprocts ( Fig. 9 ), broad posteriorly, setae restricted to the mid lateral and posterior areas, with a field of small spicules posteriorly, next to the posterior macrosetae; sensory fields with 16 trichobothria in basal rosettes. Epiproct ( Fig. 12 ), elongate, posteriorly rounded, with fields of setae mesally and along posterior border.

Measurements (in µm). FW: 2587, HW: 1950, F: 800, T: 1287, t1: 425, t2: 137, ctt1: 17, Mx4: 190, f1: 530, f2: 413, f3: 310, f4: 230, f5: 140, f6: 138, f7: 123, f8: 125, f9: 110, f10: 112, f11: 113, IO: 290, D: 165, d: 230, IO/ d: 1.26, PO: 1.39.

Female. Color (in 80% ethyl alcohol). Same as the male.

Morphology. As in diagnosis, plus the following: Head as in the male. Forewing L/W: 2.85. Pterostigma lp/ wp: 2.70. Areola postica almost triangular. Hindwing L/W: 2.80. Paraprocts broadly elliptic, with setae as illustrated and sensory fields slightly elliptic, with 12 trichobothria issuing from basal rosettes ( Fig. 13 ). Epiproct wide based, posteriorly rounded, with a field of setae mesally, and long setae along sides and on posterior border ( Fig. 13 ).

Measurements (in µm). FW: 2775, HW: 2150, F: 750, T: 1200, t1: 432, t2: 130, ctt1: 16, Mx4: 185, f1: 500, f2: 405, f3: 300, f4: 235, f5: 138, f6: 135, f7: 130, f8: 120, f9: 110, f10: 110, f11: 120, IO: 320, D: 170, d: 250, IO/ d: 1.28, PO: 1.47.

Etymology. The specific name refers to one of the localities where this species was found: Anchicayá.

Material studied. Holotype male. COLOMBIA. Valle del Cauca, Dagua, Queremal, La Elsa (3° 33' 56.1''N: 76° 44' 01.9''W, 1032 m.), 28.IX.2010, MUSENUV slide code 24309, R. González. Paratypes: 3 females, 1 male, Buenaventura, Alto Anchicayá, ca. Represa (3° 32' 04.1''N: 76° 52' 22.6''W, 656 m.), 11.IX.2010, MUSENUV slide codes 24310, 24311, R. González. 1 female, 1 male, same data as the holotype, 9.XI.2012. 20 females, 25 males, Dagua, Queremal, El Edén (3° 31' 20.00''N: 76° 43' 38.7''W, 1383 m.), 11.XI.2012, MUSENUV vials codes 24312, 24313.

Figures

FIGURES 1 – 3. Males of Dagualachesilla and Dagualachesilloides species, lateral view. 1. Dagualachesilla anchicayaensis n. sp. 2. D. queremalensis n. sp. 3. Dagualachesilloides caliensis n. sp. Scales in mm.

FIGURES 4 – 12. Dagualachesilla anchicayaensis n. sp. Male. 4. Forewing. 5. Hindwing. 6. Front view of head. 7. Hypandrium. 8. Abdominal terminalia, lateral view. 9. Paraproct. 10. Phallosome, dorsal view. 11. Phallosome, ventral view. 12. Epiproct and clunial projection. Scales in mm.

FIGURES 13 – 19. Dagualachesilla spp. Females. 13 – 16. D. anchicayaensis n. sp. 13. Epiproct and paraprocts. 14. Abdominal terminalia, lateral view. 15. Gonapophyses and ninth sternum. 16. Subgenital plate. 17 – 19. D. queremalensis n. sp. 17. Gonapophyses and ninth sternum. 18. Subgenital plate. 19. Epiproct and paraprocts. Scales in mm.