Paramblopusa eoa, Ahn, Kee-Jeong & Maruyama, Munetoshi, 2000

Ahn, Kee-Jeong & Maruyama, Munetoshi, 2000, Paramblopusa Eoa, A New Intertidal Species (Coleoptera: Staphylinidae: Aleocharinae) From Kuril Islands, The Coleopterists Bulletin 54 (3), pp. 359-364 : 359-364

Paramblopusa eoa , new species

Description. Length 2.8–3.1 mm. Body black. Head about 0.9 times as long as wide. Ratio of length of compound eyes to length of head about 0.2. Antennomeres ( Fig. 2 ) 4–10 almost moniliform. Infraorbital carina incomplete, nuchal carina distinct. Labrum ( Fig. 3 ) almost straight anteriorly, no sensilla on anterior margin, punctures more or less uniformly distributed. Epipharynx ( Fig. 4 ). Mandible ( Fig. 5 ) with 3 small teeth between apex and median tooth. Maxilla as in Figure 6 . Labial palpi ( Fig. 7 ) with 3 articles, 2 and 3 subequal in length, and slightly shorter than 1, each much narrower than preceding; twin pores and median pores present, prementum with several pseudopores medially and laterally, real pores and setal pores present. Mentum ( Fig. 8 ) triangular, deeply incised with U­shaped or V­shaped emargination at apex, bearing several long setae. Submentum with numerous deep punctures. Pronotum subquadrate. Tarsal formula 4­4­4; lengths of anterior and middle tarsomere 4 subequal to tarsomeres 1 + 2 + 3 together. Elytra about 1.3 times as long as wide; about 0.8–0.9 times as long as pronotum. Anterior margin of abdominal tergites III–VI straight. Stenite VIII of male slightly prolonged posteiorly (Fig.

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4) epipharynx, ventral aspect. Scales 0.1 mm.

9). Aedeagus. Median lobe as in Figure 10 . Parameres as in Figure 11 . Spermatheca as in Figure 12 .

Type Series. Holotype, labeled as follows: ‘ Kuril Island , Urup Is. [ IKIP],45 ° 56.63 ̍ N; 150 ° 10.52 ̍ E, Negodnaya Bay, Rocks below cliff, 29­ VIII­1995, M. Ohara, [ UR95 MMO069] hand pick up ; Holotype, Paramblo­ pusa eoa Ahn and Maruyama, Desig. K. ­ J. Ahn and M. Maruyama, 1999.’ deposited in SEHU . Paratypes, 3; same data as type (2, SEHU; 1 on slide, Chungnam National University Insect Collection), 2; Shelekhovo, Shimoyur River , Paramushir Is., Kuril Islands , 50 ° 22.012 ̍ N–50 ° 21.764 ̍ N; 155 ° 36.677 ̍ E– 155 ° 34.228 ̍ E, 17­VII­1997, A. Saito (2 on slide, CBM; specimens nos. CBM­ ZI 76759, 76760) .

Distribution. Russia: Kuril Islands.

Comments. Ahn and Ashe (1996b) discussed the phylogenetic relationships of the genus Paramblopusa within the tribe Liparocephalini . Cladistic reanal­

P. eoa P. borealis

labrum almost straight sinuate anteriorly labrum slightly sinuate anteriorly (Fig.

( Fig. 3 ) 28)* prementum with two medial setae prementum with one medial seta or none

( Fig. 7 ) (Fig. 33)* ligula more or less triangular ( Fig. 7 ) ligula elongate (Fig. 33)* tarsal formula 4­4­4 tarsal formula 4­4­5 posterior margin of male sternite VIII posterior margin of male sternite VIII

slightly prolonged ( Fig. 9 ) strongly prolonged (Fig. 35)*

* Figure numbers from Ahn and Ashe (1996a).

Figures

Figs. 2–4. Paramblopusa eoa. 2) antenna, dorsal aspect; 3) labrum, dorsal aspect;

Figs. 5–8. Paramblopusa eoa. 5) right mandible, ventral aspect; 6) maxilla, dorsal aspect; 7) labium, dorsal aspect; 8) mentum, dorsal aspect. Scales 0.1 mm.

Figs. 9–12. Paramblopusa eoa. 9) male sternite VIII, dorsal aspect; 10) median lobe, lateral aspect; 11) paramere, lateral aspect; 12) spermatheca, lateral aspect. Scales 0.1 mm.