Emesopsis similis, Popov, Yuri A. & Chłond, Dominik, 2015

Popov, Yuri A. & Chłond, Dominik, 2015, The first fossil record of the Emesinae genus Emesopsis Uhler (Hemiptera: Heteroptera, Reduviidae) from Eocene Baltic amber, Zootaxa 4039 (4), pp. 566-574 : 568-572

Emesopsis similis sp. nov.

( Figs 2 , 3 , 5 )

Material examined. Holotype, male, Nr. 1612-4; light yellow, weakly turbid and small-sized piece of amber (19 x 13.2 mm) of almost triangular shape. W.H. Hoffeins.

Description. Male: Length from apices of hemelytra ca. 6 mm, maximum length of hemelytra 5.5. General coloration straw yellow to dark brown, with brownish vittae. Head, pronotum, metanotum and abdomen generally dark brown. Anterior part of head dark brown, posterior brown. Pronotum with one very narrow longitudinal stramineous median and two lateral stripes not reaching anterior margin. Hemelytra entirely stramineous, with pattern shown in Figure 2 . Scutellum and 1st abdominal segment and spines dark. Metanotum and spine pale. Legs generally stramineous; apices of foreleg coxae darkened at part, femora with three moderately wide (medial, and apical) brown rings and tibia predominantly brown ( Figs 2 , 5 ); femora and tibiae of mid legs with four moderately wide (subbasal, median, submedian and apical) brown rings ( Fig. 2 ); preserved part of hind tibia with one subbasal ring; tarsi of all legs light yellowish. Abdomen entirely brown.

Head as shown in Figure 2 . Post ocular lobes weakly convex, without depression; antennae (preserved only segments 1 and partly 2) clothed with distinctive adpressed and very short, dense hairs. Pronotum as in Fig. 2 ; surface of disc weakly rough and bare; total length of pronotum 3.27x as long as anterior lobe and 1.4x as long as posterior lobe, posterior lobe ca. 2.2x as long as anterior lobe; posterior lobe almost 1.1x as broad as head width including eyes; anterior corners of pronotum with developed small pointed tubercles. Scutellum significantly transversal, 2x as wide as long, subtriangular, rounded apically, with a long and slender, weakly tilted backward spine. Spine of metanotum slender and tilted backward. Fore legs slender; femur 2.16x as long as coxa and ca. 1.2x as long as tibia; femur with two series of numerous, very short spines, tibia with numerous small adjoining spines ( Figs 2 , 5 ); tibia of mid leg ca. 1.35x as long as femur. Hemelytra smooth, distance from apex of pterostigma to tip of wing equal to distance from apex of pterostigma to insertion of M; a small basal cell near anterior angle of discal cell 5.2x as long as width; discal cell considerable long, 3.46x as long as width and moderately narrowed apically; apical branch of M beyond apex of discal cell attaining wing tip with a bifurcate branch directed toward apex of wing.

Measurements. Holotype, male. Length of body from apex of hemelytra 6.65, width 1.2; length of head 0.5, length of anterior 0.25 and posterior 0.25 lobes, width 0.675; dorsal width of eye 0.225, width of vertex 0.225; antennal segments I:II:III:IV = 3.75:?:?:?, rostral segments I:II:III= 0.275: 0.175: 0.225; total length of pronotum 0.9, length of anterior lobe 0.28, length of posterior lobe 0.62, width 0.45 (ant.) and 0.75 (post.); length of hemelytra 5.52, width 1.2, length of discal cell 2.6, width 0.75; foreleg: length of coxa 0.75, femur 1.62, tibia 1.37, tarsus 0.2 (0.75+0.125); mid leg: length of femur 3.7, tibia 50, tarsus 0.25; length of hind femur 5.5.

Etymology. Species name comes from similis (lat.) – resembling.

Figures

FIGURE 2. Emesopsis similis Popov & Chłond sp. nov., dorsal habitus.

FIGURE 3. Emesopsis similis Popov & Chłond sp. nov., dorsal habitus.

FIGURE 5. Emesopsis similis Popov & Chłond sp. nov., fore leg, lateral view.