Description

Morphology. As in diagnosis plus the following: Head vertex almost straight, slightly below the level of the upper borders of the compound eyes, these large, prominent (Fig. 17). Forewing L / W: 2.53 (Fig. 16). Forewing pterostigma elongate, wider distally, lp / wp: 3.09, without setae in the membrane. Areola postica triangular (Fig. 16). Hindwing L / W: 2.89 (Fig. 16). Hypandrium (Fig. 20) and phallosome (Fig. 19) as in diagnosis (Fig. 19). Paraprocts (Fig. 18), oval; sensory fields with 15 trichobothria on basal rosettes. Epiproct (Fig. 18), almost trapeziform, slightly rounded posteriorly, setae as illustrated. Measurements (in microns). FW: 2625, HW: 2025, F: 625, T: 1025, t 1: 400, t 2: 125, ctt 1: 22, Mx 4: 160, f 1: 560, f 2: 440, f 3: 340, f 4: 270, f 5: 170, f 6: 150, f 7: 140, f 8: 140, f 9: 125, f 10: 120, f 11: 120, IO: 360, D: 180, d: 130, IO / d: 2.77, PO: 0.72. Specimens studied. Holotype male. MEXICO. Oaxaca. Sierra Juárez. Santa Catarina Lachatao, “ Las Vigas ”, 17 ° 11 ’ 17 ” N: 96 ° 27 ’ 13.5 ” W, 2790 m., 27. VIII. 2013, beating shrubs with dead, hanging leaves, J. A. Casasola González.

Common Names

Taxonomic Hierarchy

Kingdom: Animalia

Phylum: Arthropoda

Class: Insecta

Order: Psocodea

Family: Lachesillidae

Genus: Prolachesilla

Species: Prolachesilla casasolaoides Sandoval Arango, González-Obando & García-Aldrete, 2017