Anacroneuria carchi Stark

Stark, Bill P. & Zúñiga, Maria del Carmen, 2014, New Species And Records Of Colombian, Ecuadorian And Venezuelan Anacroneuria (Plecoptera: Perlidae), With A Review Of The Anacroneuria Aymara Stark & Sivec Complex, Illiesia 10 (8), pp. 66-79 : 72-73

Anacroneuria carchi Stark

( Figs. 6-8 )

Anacroneuria carchi Stark 2001:11 . Holotype ♂ (Carnegie Museum of Natural History), Chical, Carchi Province, Ecuador

Anacroneuria carchi: Stark et al., 2012:82 .

Material examined. Ecuador: Esmeraldas Province, Cantón San Lorenzo, Río Lita , 1830’, 00 ° 51.64’ N, 78 ° 27.16’ W, 2 December 2008, S.M. Clark, R.C. Mower, 2♂, 1♀ ( BYUC) .

Comments. This species was recently recorded by Stark et al. (2012) from two male specimens collected together with the additional males (listed above) and first female specimen recorded here and described below. The adult head and pronotum are also illustrated for the first time ( Fig. 6 ). The Rio Lita collection site is located in the Northwestern Ecuadorian Pacific Zone, which forms part of the Choco Biogeographic Region, an area known for its hot, humid climate.

Female. Forewing length 17 mm. Subgenital plate pale, hairy and bilobed, mesal notch relatively narrow and shallow ( Fig. 8 ). Posterior transverse sclerite on sternum 9 pale, mesal field of sternum 9 uniformly covered with moderately long pale setae.

Egg. Length ca. 0.32 mm, greatest width ca. 0.19 mm. Spindle shaped with button-like collar ( Fig. 7 ).

Figures

Figs. 6-11. Anacroneuria female structures. (6-8 = A. carchi). 6. Head and pronotum. 7. Outline of egg. 8. Subgenital plate. (9-11 = A. cruza). 9. Head and pronotum. 10. Outline of egg. 11. Subgenital plate.