Colocania pilosa Gonzalez , Carrejo & Garcia Aldrete

Gonzalez-Obando, Ranulfo, Aldrete, Alfonso N. Garcia, Carrejo-Gironza, Nancy & Mendivil, Julian, 2018, A new genus of Ptiloneuridae, its position within the family, and descriptions of five species (Psocodea, ' Psocoptera'), ZooKeys 780, pp. 11-34: 11

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Colocania pilosa Gonzalez , Carrejo & Garcia Aldrete

sp. n.

Colocania pilosa Gonzalez, Carrejo & Garcia Aldrete  sp. n. Figures 31-36, 37-42

Type locality.

COLOMBIA. Huila. La Plata, Belén, Meremberg Nature Reserve, 2352 m. 02°13'06.6"N, 76°07'01.1"W.

Type material.

Holotype male. 20.I.2015. On tree trunks covered with lichens and mosses. R. González. Deposited in Entomological Museum, Universidad del Valle (MUSENUV, slide code 29038), Santiago de Cali, Colombia. Paratype female, 28.X.2016. Same data as the holotype (MUSENUV, slide code 29039).


It is related to C. norsantanderina  sp. n., described above (see diagnosis of the latter). Both species seem to have a sister-group relationship, to be confirmed when the male of the latter be found. The ninth sterna and gonapophyses in both species are quite similar, but the epiprocts are distinct. The male presents side struts with arms independent, proximally paralell, with processes directed outwards, unique among the species of the genus, distally curved outwards and not fused to the external parameres (Figure 36).


Color (in 80% ethanol). Head pattern (Figure 33). Compound eyes black, ocelli hyaline, with ochre centripetal crescents. Front and postclypeus pale brown, anteclypeus and labrum dark brown centrally, with sides pale brown. Genae pale brown with brown spots. Antennae brown, scape, pedicel and flagellomeres 1-3 pale brown, cream distally. Maxillary palps creamy, Mx4 distally brown. Tergal lobes of meso- and metathorax pale brown, with brown spots. Thoracic pleura creamy to pale brown, with brown spots. Legs pale brown, tarsi 2-3 dark brown, fore- coxae cream, middle- and hind- coxae brown, darker proximally, femora with brown spots. Forewing with marginal brown band from apex of R4+5 to A1; M five-branched; pterostigma with a proximal and a distal brown band. Hindwings hyaline, veins brown. Abdomen pale brown to cream, with subcuticular brown spots; clunium, epiproct, and paraprocts brown, epiproct with large, pale central area. Sclerites of hypandrium and phallosome dark brown.


As in diagnosis, plus the following: Head elongate (Figure 33): H/MxW: 1.37; compound eyes small, H/d: 3.94, H/D: 2.9, IO/MxW: 0.78. Outer cusp of lacinial tip broad, with eight denticles. Mx4/Mx2: 0.98. Forewings (Figure 31): L/W: 2.85. Pterostigma elongate: lp/wp: 5.56, areola postica tall, triangular, with rounded apex: al/ah: 1.40. M five-branched. Hindwings (Figure 32): l/w: 2.88. M three-branched. Hypandrium broadly trapeziform, setose, pigmented as illustrated in Figure 34. Phallosome (Figure 36), mesal endophallic sclerites elongate, shaped as an inverted V, basally separated, wide apically (mesal sclerite process) and overlapping on the external parameres and with short processes of rounded apices, with ante-apically lateral mesal sclerite process as illustrated; anterior endophallic sclerites oval and laminar, antero-lateral sclerites curved, boomerang-shaped as illustrated. Paraprocts (Figure 35) almost elliptic, with abundant setal field distally; sensory fields with 30 trichobothria on basal rosettes. Epiproct (Figure 35) semioval, rounded posteriorly, bearing macrosetae; lateral and mesal macrosetae as illustrated.


FW: 6475, HW: 4025, F: 1450, T: 2570, t1: 1180, t2: 120, t3: 160, Mx4: 325, ctt1: 36, f1: 1150, f2: 1120, f3: 900, f4: 690, f5: 410, f6: 360, f7: 260, f8: 230, f9: 200, f10: 173, f11: 200, IO: 610, D: 370, d: 270, IO/d: 2.26, PO: 0.73.


Color (in 80% ethanol). Body, head, legs, wings, epiproct and paraprocts as in the male, plus the following: pigmented area of subgenital plate U-shaped (Figure 40); gonapophyses and paraprocts dark brown, epiproct brown.


As in diagnosis, plus the following: Head elongate (Figure 39): H/MxW: 1.43; H/D: 3.2, H/d: 4.48; IO/MxW: 0.79. Outer cusp of lacinial tip broad, with seven denticles. Mx4/Mx2: 1.15. Wings (Figures 37 and 38) as in the male, L/W: 2.78. Pterostigma: lp/wp: 5.13, areola postica: al/ah: 1.31. Hindwings (Figure 38): l/w: 3.02. Subgenital plate (Figure 40) broad, slightly pointed posteriorly, setose. Gonapophyses (Figure 42): v1 elongate, broad, acuminate, distally bearing microsetae; v2+3 pilose, with short proximal heel, 4 setae on v3; distal process sinuous, acuminate, with microsetae on surface distally. Paraprocts (Figure 41), sensory fields with 34 trichobothria on basal rosettes. Epiproct (Figure 41) broad, scutiform, widely rounded distally, setal field with abundant setae as illustrated, macrosetae and abundant setae distally curved, as illustrated.


FW: 5550, HW: 3775, F: 1440, T: 2530, t1: 1110, t2: 114, t3: 140, Mx4: 380, ctt1: 40, f1: 1090, f2: 1115, f3: 880, IO: 620, D: 350, d: 250, IO/d: 2.48, PO: 0.71.


The specific epithet refers to the densely pilose female epiproct.

Key to the species of Colocania 

Comments on the species of Colocania  gen. n.

Colocania  is, so far, endemic to Colombia, its species have been collected between 1687 and 2450 meters of altitude, in Andean and Subandean areas (see Rangel and Aguilar 1995) of Central and East-western mountain ranges (Figure 48). The genus might also be found in Venezuela, as C. norsantanderina  was found in a montane area near the Merida mountain range in Venezuela.

On basis of the forewing pigmentation pattern, two species groups are recognized, group A, with the forewings having a marginal pigmented band, from R4+5 to distal end of Cu2, including C. norsantanderina  sp. n. and C. pilosa  sp. n., and group B, with forewings hyaline, including C. candelaria  sp. n., C. chicaque  sp. n. and C. occidentalis  sp. n. However, C. candelaria  and C. chicaque  are related only on the basis of one homoplasic character, the forewings with a ratio of crossvein Rs-M and the portion of vein M before it of 1:2 (char. 12) (Figure 47).