. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. DoLicHOGNATHA AND Tetragnatha North OF MEXICO • Levi 289 Tetragnotho viridis. Map 3. Distributions of Tetragnatha elongata Walckenaer, T. versicolor Walckenaer, T. viridis Walckenaer, and 7. laboriosa Hentz. Abdomen all silvery, except for mid- venter (Fig. 158); seminal receptacles otherwise (Fig. 162) 5 - 5(4). Seminal receptacles elongate, paraxi- al, and members of a pair on top of one another (Figs. 178, 180); abdomen at 8(7). most 3 times longer than wide or high (Fig. 176); Ontario, northwest to Flor- ida (Map
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. DoLicHOGNATHA AND Tetragnatha North OF MEXICO • Levi 289 Tetragnotho viridis. Map 3. Distributions of Tetragnatha elongata Walckenaer, T. versicolor Walckenaer, T. viridis Walckenaer, and 7. laboriosa Hentz. Abdomen all silvery, except for mid- venter (Fig. 158); seminal receptacles otherwise (Fig. 162) 5 - 5(4). Seminal receptacles elongate, paraxi- al, and members of a pair on top of one another (Figs. 178, 180); abdomen at 8(7). most 3 times longer than wide or high (Fig. 176); Ontario, northwest to Flor- ida (Map 4) vermiformis - Seminal receptacles pear-shaped and side by side (Figs. 131, 133, 160, 162); 9(8). length of abdomen about 4 or 5 times width or height (Figs. 129, 158) 6 6(5). Members of pair of seminal recepta- cles on each side almost touching (Fig. - 162); Great Slave Lake, Ontario, In- diana to Pacific (Map 4) shoshone Members of pair of seminal recepta- 10(9). cles on each side separated by an in- termediate lobe (Fig. 133); widespread (Map 4) pallescens 7(1). Genital cover twice as long as wide, narrowed anteriorly, posterior rim - notched (Fig. 26); only two seminal re- ceptacles (Fig. 27); Florida, Texas, California (Map 2) nitens Genital cover square or wider than long (Figs. 49, 77); four seminal recep- tacles (Figs. 50, 69, 78) 8 Lateral eyes about as far apart as me- dians or slightly closer together (Figs. 57, 111, 121) _'_ 9 Lateral eyes clearly closer together than medians (Figs. 47, 66, 75, 91) ._ 11 Green; first and second tibial macro- setae length 3 to 5 times diameter of article (Fig. 115); New Brunswick to eastern Texas (Map 3) viridis Silvery and yellowish white; macro- setae length at most 3 times diameter of article 10 Prominent pouch between pair of sem- inal receptacles hiding anterior one in ventral view; posterior seminal recep- tacle pear-shaped (Fig. 124); wide- spread (Map 3) laboriosa No pouch between members of pair of seminal receptacles; p
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