Revision of Ascra with proposition of the bifida species group and description of two new species (Hemiptera: Pentatomidae: Edessinae) Author Santos, Bianca Tamires Silva Dos Author Silva, Valeria Juliete Da Author Fernandes, Jose Antonio Marin text Zootaxa 2015 4034 3 445 470 journal article 10.11646/zootaxa.4034.3.2 8d4ae7bf-0427-4539-8dfb-6ca52d647b73 1175-5326 240340 0A762FED-A91A-4589-8991-BD629EDF1CE5 Key to species of bifida group of Ascra 1. Arms of the anterior bifurcation of metasternal process flatted dorsoventrally ( Figs. 31, 32 ); corium almost transparent; legs with small black macules at base of setae ( Fig. 63 )...................................................... abdita - Arms of the anterior bifurcation of metasternal process subcylindrical or flattened laterally ( Figs. 1−2 , 9−10 , 25−26 , 39−40 , 46−47 ); corium translucent brown; legs not maculate ( Figs. 59−62, 64−65 )....................................... 2 2. Margin of body red ( Fig. 55 ); ventral surface contrastingly brown and yellow ( Fig. 62 ); bottom of medial excavation of ventral rim concave and delimited by two short carina ( Fig. 29 ); gonocoxites 8 with dorsal margin bearing a dentiform small projection close to gonocoxites 9 ( Fig. 27 )................................................................. petersii - Margin of body yellow or concolorous ( Figs. 52−54, 57−58 ); ventral surface greenish yellow to red with color more uniform ( Figs. 59−61, 64−65 ); bottom of medial excavation of ventral rim concave or flat without carina or with only one; gonocoxites 8 with distal margin rounded to acuminate ( Figs. 4 , 12 , 20 , 34 , 41 , 48 )........................................... 3 3. Ventral surface of body red ( Fig. 61 ); connexivum red; without cordiform spot on apex of scutellum ( Fig. 54 ); parameres narrow without developed lateral process ( Fig. 27 )..................................................... championi - Ventral surface of body greenish yellow to brown or variegate ( Figs. 59−60, 64−65 ); connexivum green to brown; apex of scutellum with a cordiform or V-shaped yellow spot ( Figs. 52, 53, 57, 58 ); parameres with developed lateral process ( Fig. 7 , 15 , 23 , 44 , 51 )....................................................................................... 4 4. Body dark brown greenish; cordiform spot large ( Fig. 53 ); expansion of ventral rim pyramidal ( Figs. 14, 15 ); parameres bifurcated at base ( Fig. 15 )........................................................................... cordifera - Body green to light brown; cordiform spot small or V −shaped ( Figs. 52, 57−58 ); expansion of ventral rim rounded ( Figs. 6−7 , 50−51 , 43−44 ); parameres lanceolate or expanded distally ( Figs. 7 , 30 , 51 )....................................... 5 5. Margins of scutellum concolorous with disc ( Fig. 52 ); distal part of parameres lanceolate ( Fig. 7 ).................. bifida - Anterior or lateral margins of scutellum yellow ( Figs. 57−58 ); distal part of parameres expanded ( Figs. 44 , 51 ).......... 6 6. Scutellum with a wide yellow stripe on lateral margins, apex punctate ( Fig. 58 ); ventral rim with a narrow medial excavation hiding parameres in ventral view ( Fig. 50 )....................................................... vluteum n. sp. - Scutellum with a narrow yellow stripe on anterior margin, apex not punctate ( Fig. 57 ); ventral rim widely excavated medially leaving parameres partially visible in ventral view ( Fig. 43 )................................... flavoscutellata n. sp.