Calileuctra, Shepard & Baumann. The, 1995

Stewart, Kenneth W., Stark, Bill P. & Serpa, Larry L., 2013, Larvae Of The Two North American Species Of Calileuctra (Plecoptera: Leuctridae), Illiesia 9 (1), pp. 1-13 : 11

Key to Mature Calileuctra larvae

1 Abdominal terga 7-10 with thick setae, especially laterally Figs. 16-18 ); terga 7, 8 without diverging sublateral rows of short, thick sensillae ( Fig. 17 ). Apical hair circlet on basal 3 cercal segments mostly about 0.5-0.75 the length of following segment ( Fig. 19 ) ……...…………………. ephemera

1’ Abdominal terga 7-10 without thick setae ( Fig. 29 ); terga 7, 8 with diverging sublateral rows of short, thick sensillae ( Figs. 30 , 31 ). Some apical circlet hairs on basal 3 cercal segments longer than following segment ( Fig. 33 ) ................... dobryi

Figures

Figs.13-18. Calileuctra ephemera larval characters. 13. Left mandible molar cup. 14. Left foreleg femur and tibia, anterior. 15. Left foreleg tarsus, ventral. 16. Abdominal terga 8-10. 17. Abdominal tergum 7. 18. Abdominal tergum 9.

Figs.19-20. Calileuctra ephemera cerci. 19. Basal 4 segments, dorsal. 20. Cercal segments 5, 6.

Figs. 25-30. Calileuctra dobryi larval characters. 25. Right lacinia, ventral. 26. Right mandibular molar cup, outer margin. 27. Ridges of right mandibular molar cup. 28. Worn left mandibular molar cup. 29. Abdominal tergum 7, left side, arrow = sensilla row. 30. Abdominal tergum 8, diverging rows of short, thick sensillae.

Figs.31-32. Calileuctra dobryi larval characters. 31. Abdominal tergum 8, right side. 32. Basal cercal segments, dorsal.

Figs. 33-34. Intermittent headwater habitats of Calileuctra. 33. Capell Creek, type locality of C. ephemera. 34. Arroyo Sequit, habitat of C. dobryi. No larvae found in rainwater pools, February 2000.