Nipponentomon andrei ( Ewing, 1940 )

Nipponentomon andrei ( Ewing, 1940) View in CoL

( Figs. 1–11 View FIGURES 1–11 , Table 1 View TABLE 1 )

= Acerentomon andrei Ewing, 1940

Material examined. Holotype female (no. 53371), collected in dead leaves, Salt Lake , Utah, USA, 3.VIII.1937, coll. F. Andre.

Remarks. The species was redescribed by Bonet & Tuxen (1960) and by Tuxen (1964) on the basis of the damaged holotype specimen. Some characters not provided in those previous redecriptions are added here.

Additional description. Labium prominnetly protruded; additional cephalic setae d6 absent on the head ( Bonet & Tuxen 1960: Fig. 57). Setae near pseudoculus l3 and sd4 setiform, seta l3 shorter than seta sd4, 8 μm and 12 μm, respectively ( Fig. 1 View FIGURES 1–11 ). Maxillary palp with two slender, spindle-shaped sensilla ( Fig. 2 View FIGURES 1–11 ). Labial palp with tuft of setae, three setae and sausage-like sensillum ( Fig. 3 View FIGURES 1–11 ). Maxillary gland with small, weakly granulated calyx and large proximal appendage ( Tuxen 1964: Fig. 385). Foretarsus as described by Tuxen (1964: Fig. 386). Setae β1 and δ4 on foretarsus sensilliform and truncated on the tip, equal in shape and length (16 μm), slightly shorter than δ5- seta ( Figs. 4, 5 View FIGURES 1–11 ). Prosternum with 4 A -setae and 4 M -setae, mesosternum with 5 A -setae and metasternum with 9 A -setae, pair of A1 -setae present ( Figs. 7–9 View FIGURES 1–11 ). Thoracic tergite I with 3 pairs of A -setae (A1, 2, 5), not two as was written in Bonet & Tuxen (1960: Fig. 6 View FIGURES 1–11 ). All accessory setae on tergites and sternites I–VII long setiform, on sternites slightly shorter. Meso- and metanota with pores al and sl. Meso- and metasterna with a pair of median non- cadjacent sam pores ( Figs. 8, 9 View FIGURES 1–11 ). Pores psm and psl present on tergites I–VII, al on tergites II–VII. Sternites III–VI each with a median spm pore, situated posteriorly between P1 setae; sternite VII with one anterior sasm pore situated on connecting line and with a pair of spsm pores ( Fig. 10 View FIGURES 1–11 ). Sternite VIII with sc pore, sternites XI–X with sam pore ( Fig. 11 View FIGURES 1–11 ). Hind margin of tergites IX–XI, laterotergites IX–X and sternites IX–X distinctly toothed ( Fig. 11 View FIGURES 1–11 ; Bonet & Tuxen 1960: Figs. 61, 62). Comb with 7–8 long distinct teeth, as illustrated by Tuxen (1964: Fig. 387). Female squama genitalis with stumpy, tripardite acrostyli, as in Tuxen (1964: Fig. 388).

Body measurements (female, in μm): body length 1550, head 170, pseudoculus 10, distal part of maxillary gland 35, pronotal seta 1 damaged, pronotal seta 2 20, mesonotal P1, P1 a, P2, P2 a damaged; foretarsus 122, claw 40, empodial appendage 9.