Purenleon Stange, 2002

Miller, Robert B. & Stange, Lionel A., 2014, A revision of the genus Purenleon Stange (Neuroptera: Myrmeleontidae: Nemoleontini), Insecta Mundi 2014 (384), pp. 1-67 : 5-6

Key to species of Purenleon Stange

Note: not in key: P. zayasi (Alayo)

1.

— Pretarsal claws small, those of foreleg not more than one-half length of basitarsus ( Fig. 22 )

(inscriptus group) ....................................................................................................................... 2 Pretarsal claws moderately long, those of foreleg at least as long as basitarsus ( Fig. 105 )...... 6 2(1).

— Forewing costal area with many crossveins interconnected especially at middle one third ( Fig.

23) ............................................................................................................................................... 3 Forewing costal area with few, usually no interconnected crossveins ( Fig. 17 ) ........................ 4 3(2).

—

Pronotum broader than long as measured along midline dorsally; forewing relatively shorter and broader (less than 4.5 times longer than greatest width) with most crossveins margined with dark brown, basal stripe along radial vein ends before halfway point to cubital fork ( Fig. 23 ); female ectoproct with somewhat stronger posterior projection, posterior gonapophysis longer ( Fig. 25 ) ( U.S.A.: Arizona-Sonora Desert) ................ Purenleon inscriptus (Hagen)

Pronotum longer than broad as measured along midline dorsally; forewing relatively longer and slenderer (about 5.0 times longer than greatest width) with most crossveins not margined, dark basal stripe reaches almost to cubital fork ( Fig. 11 ); female ectoproct with less prominent projection, posterior gonapophysis shorter ( Fig. 14 ) (southern California and Baja California) ...................................................................... Purenleon albovaria (Banks)

4(2).

—

Costal area of forewing abruptly broadened near base ( Fig. 4 ); wings without prominent dark brown stripes or marks; small species, forewing length approximately 18 to 25 mm; (southern Mexico to Costa Rica) ............................................................... Purenleon abruptus Stange

Costal area of forewing gradually broadened near base ( Fig. 17 ); larger species, forewing with prominent dark brown stripes or marks; length usually more than 25 mm .......................... 5

5(4).

—

Forewing with completely (rarely widely interrupted) serpentine dark brown stripe directed toward wing apex ( Fig. 17 ); basitarsus mostly dark brown ( Fig. 16 ) (western United States; Mexico) .................................................................................... Purenleon connexus (Banks)

Forewing without serpentine dark brown stripe but with many scattered dark brown spots ( Fig. 29 ); basitarsus mostly pale brown except apically ( Fig. 28 ) ( Mexico: Oaxaca) ........................ ................................................................................. Purenleon oaxacae Miller and Stange

6(1).

—

Midtibia greatly swollen, much broader than foretibia ( Fig. 38 ); basitarsus of hindleg about twice as long as greatest diameter; posterior margin of sternite VIII in the female produced laterally as broad lobe or longer (twice as long as broad) ( Fig. 41 ) like another gonapophysis (tibialis group) ( Colombia; Venezuela) ..................................................................................... 7

Midtibia weakly swollen, about equal in breadth to foretibia (except P. andinus and P. clavatus ); basitarsus of hindleg at least 2.5 times longer than greatest diameter; sternite VIII of female not produced laterally (bistictus group) ................................................................................... 8

7(6).

—

Pronotum with several elongate white bristles at lateral margin, at least subequal in length to those on forecoxa ( Fig. 37 ) ( Colombia) .................... Purenleon tibialis Miller and Stange Pronotum without elongate white bristles at lateral margin ( Fig. 32 ) ( Venezuela) ...................

............................................................................ Purenleon fernandezi Miller and Stange

8(6). Mesoscutum with sublateral row of elongate white bristles ( Fig. 69 ); pronotal disc with numerous elongate, erect bristles toward middle; male paramere divided into two strongly sclerotized sclerites densely covered with small wart-like bumps (Central America) ........... 9 –

Mesoscutum without sublateral row of elongate white bristles; pronotal disc without elongate, erect bristles toward middle ( Fig. 111 ); male paramere not covered with numerous small wart-like bumps ....................................................................................................................... 11

9(8).

–

Midfemoral sense hair about one-half length of forefemoral sense hair ( Honduras) .............. ....................................................................................... Purenleon cavei Miller and Stange Midfemoral sense hair about equal in length to forefemoral sense hair ................................. 10

10(9).

–

Figures

Figures 21–25. Purenleon inscriptus (Hagen), adult. 21) head and thorax; 22) lateral view; 23) wings; 24) male genitalia; 25) female terminalia, ventral view.

Figures 103–110. Purenleon nunezi Miller and Stange, adult. 103) head and thorax; 104–105 lateral view; 106) full dorsal view, unusual specimen; 107) wings; 108) wings, unusual specimen; 109) male genitalia; 110) female terminalia, ventral view.

Figures 15–20. Purenleon connexus (Banks), adult. 15) head and thorax; 16) lateral view; 17) wings; 18) male genitalia; 19) female terminalia, ventral view; 20) female terminalia, lateral view.

Figures 8–14. Purenleon albovaria (Banks), adult. 8) head and thorax; 9), lateral view; 10) vertex; 11) wings; 12) male genitalia; 13) female terminalia, ventral view; 14) female terminalia, lateral view.

Figures 1–7. Purenleon abruptus Stange, adult. 1) head and thorax; 2) lateral view; 3) vertex; 4) wings; 5) male genitalia; 6) female terminalia, ventral view; 7) female terminalia, lateral view.

Figures 26–31. Purenleon oaxacae Miller and Stange, adult. 26) full dorsal view; 27) head and thorax; 28) lateral view; 29) wings; 30) male genitalia; 31) female terminalia, lateral view.

Figures 37–41. Purenleon tibialis Miller and Stange, adult. 37) head and thorax; 38) lateral view; 39) wings; 40) male genitalia; 41) female terminalia, ventral view.

Figures 32–36. Purenleon fernandezi Miller and Stange, adult. 32) head and thorax; 33) lateral view; 34) wings; 35) male genitalia; 36) female terminalia, ventral view.

Figures 68–72. Purenleon cavei Miller and Stange, adult. 68) head and thorax; 69) lateral view; 70) wings; 71) male genitalia; 72) female terminalia, ventral view.

Figures 111–115. Purenleon parallelus (Banks), adult. 111) head and thorax; 112) lateral view; 113) wings; 114) male genitalia; 115) female terminalia, ventral view.