Flowers and Insects. XV

Charles Robertson
1896 Botanical Gazette  
POLYGONUM Tourn.-For the present I withhold the consideration of the mode of pollination and of the copious special literature and contribute lists of insect visitors of the two following species. POLYGONUM PENNSYLVANICUM L. -The visitors observed on nine days between Aug. 8th and Sept. i6th, are as follows: HYMENOPTERA-Apid&-ne. (i) Apis mellifica L. , ab.; (2) Bombus separatus Cr. 8; (3) B. americanorum F. 6V; (4) B. virginicus Oliv. 0U, ab.; (S) Megachile brevis Say 8; Andi-enidce: (6)
more » ... i-enidce: (6) Andrena asteris Rob. z; (7) Agapostemon radiatus Say &; (8) Augochlora viridula Sm. ; (9) A. pura Say Y; (io) Halictus fasciatus Nyl. Y; (iI) H. pilosus Sm. Y; (i2) H. confusus Sm. !; (I3) H. stultus Cr. Y; Vespidce: (I4) Polistes pallipes Lep.; (I5) P. rubiginosus lep.; (I6) P. metricus Say; (17) P. annularis L.; Eurnenidce. (i8) Odynerus tigris Sauss., freq.; (I9) 0. capra Sauss., freq.; Crabronide: (20) Crabro interruptus Lep.; (21) C. 6-mnaculatus Say; Plzi/antidae: (22) Cerceris clypeata Dlb.; Larridx. (23) Ancistromma distincta Sm.; pSecidczd. (24) Ammolphila intercept Lep.; (25) Chlorion caeruleum Dru.; (26) Priononyx atrata Lep.; Porn-.pilidCe. (27) Piompilus philadelphicus Lep.; (28) Priocnemis fulvicornis Cr.; (29) Planiceps niger Cr.; Scoliidev: (30) MMyzine sexcincta F-all sucking. DIPTERA-BoMbyIda:.-(3I) Sparnopolius fulvus Wd.; Srjrp/hidw. (32) Syrphus ribesii L.; (33) S. americanus Wd., freq.; (34) Mesograpta polita Say; (35) M. marginate Say; (36) Eristalis tenax L.; (37) E. aeneus F.; (38) Tropidia quadrata Say; (39) Syritta pipiens L.; Tachizzidce: (40) Cistogaster immaculate Mcq.; (4i) Jurinia smaragdina Mcq., ab.; (42) J. apicifera WIk.; (43) Micropalpus fulgens Mg.; (44) Frontina acroglossoides Twns.; (45) F. flavicauda Riley; (46) Atrophopoda singularis Twns.; SarceophAgide: (47, 48) Sarcophaga spp.; Muscida?. (49) Graphomyia sp., freq.; (50) Lucilia caesar L.; (5i) L. cornicina F.; (52) Compsomyia macellaria F.-all sucking. LEPIDOPTERA -lRhopaiocera: (53) Pieris protodice B.-L.; (54) P. rapm L.; (55) Colias philodice Gdt.; (56) Chrysophanus thoe B.-L.; (57) Pamphila cernes B.-L.; He/erocera. (58) Heliothis armiger Hulb.; (59) Scepsis fulvicollis Hiub.-all sucking. COLEOPTERA -Iamrpyr-idw (6o) Chauliognathus pennsylvanicus. DeG., s., ab. POLYGONUM HYDROPIPEROIDES Michx. -The following visitors were observed Aug. 30th and Sept. 20th: 'Contributions to an account of the ecological relations of the entomophilous. flora and the anthophilous insect fauna of the neighborhood of Carlinville, Illinois. [72] This content downloaded from 128.083.063.020 on August 01, 2016 06:24:49 AM All use subject to University of Chicago Press Terms and Conditions (http://www.journals.uchicago.edu/t-an 1896.] Flozwe-s and Insecls. 77 Cr. 6y, s., very ab., in cop.; (25) Agapostemon radiatus Say?, S.; (26) Augochlora similis Rob. Y, S.; (27) A. pura Say , S.; (28) Halictus foxii Rob. ?, s., ab.: (29) H. forbesii Rob.?, s., (3o) H. lerouxii Lep. ?, s., freq.; (31) H. pilosus Sm. , s., freq.; (32) H. zephryus Sm. Y, S.; (33) H. confusus Sm.?, S.; (34) H. stultus Cr. , S.; (35) Sphecodes arvensis Pttn.?, S.; (36) Colletes inaequalis Say6, s.; Vespidw: (37) Polistes rubiginosus Lep., S.; Pompilid&e: (38) Priocnemis conicus Say, S.; Ic/hneumonidce: (39) Pimpla sp.; TezI/ireduzidce. (40) Nematus vertebratus Say; (4i) N. luteoterguin Nort.; (42) Dolerus arvensis Say, s., ab.; (43) D. bicolor Bv., s., freq. DIPTERA-S&99M11d&z. (44) Simulium sp. S.; Enzpide.: (45) Empis otiosa Coq., S.; (46) Rhamphomyia gilvipilosa Coq., s.; Conopzid . (47) Myopa vesiculosa Say, S.; (48) M. pilosa Will.; Syrphzdax (49) Psi-Iota buccata Mcq.; (50) Chrysogaster pictipennis Will., ab.; (5i) Chilosia sp.; (52) Melanostoma obscurum Say; (53) Platychirus hyperborelus Staeg.; (54) P. quadratus Say, freq.; (55) Syrphus ribesii L.; (56) S. americanus Wd., ab.; (57) Sphaerophoria cylindrica Say; (58) Chalcomyia aerea Lw.; (59) Brachyopa vacua 0. S.; (6o) Eristalis aeneus F., ab.; (6i) E. dimidiatus Wd., ab.; (62) E. transversus Wd.; (63) E. flavipes Wlk.; (64) Helophilus similis Mcq., ab.; (65) Tropidia mamillata Lw.; (66) Brachypalpus rileyl Will., ab.; (67) B. frontosus Lw., very ab.; (68) Xylota fraudulosa Lwv., ab.; (69) Syritta pipiens L.; Tach/i da:. (70) Gonia frontosa Say, ab.; (7i) G. exul Will.; Sarco/haigida,.e (72) Cynomyia sp., ab.; Muscidae: (73) Lucilia cornicina F., ab.; Ati/ziomnyida?: (74) Chortophila sp.; Cordylurida:. (75) Scatophaga squalida Mg., ab.; Sciomzyzidc.e (76) Tetanocera sp.; (77) T. pictipes Lw.; Lon-chacida&. (78) Lonchaea sp.; (79) L. polita Say; Sesida (8o) Sepsis sp.; Oscinidce. (8i) Oscinis sp., M. acalyphra/l: (82) sp.-all s. or f. p. COLEOPTERA-C/zuysomeida?: (83) Orsodachna atra Abr., ab.; (84) Lina lapponica L., ab.; (85) Galeruca tuberculata Say, freq.; Oedenerida?: (86) Asclera puncticollis Say, freq.-all s. or f. p. HEMIPTERA-Capsid&?. (87) Lygus pratensis L. s. SALIX HUMILIS Marsh.-This species was observed in bloom from the i8th of March to the 21st of April. On March i8th and April 6-I2th, I4th, 17th, 20th and 2Ist the following visitors were noted: HYMENOPTERA-Apid&?.-(i)Apis mellifica L. ', s. and c. p., ab.; (2) Bombus virginicus Oliv. ?; (3) Ceratina dupla Say 8, freq.; Andrenide:' (4) Andrena vicina Sm. 8?, ab.; (5) A. erythrogaster Ashm S; (6) A. salicis Rob. 8?, s., freq.; (7) A. illinoensis Rob. 8; (8) A. erythronii Rob. 8y; (9) A. cressonii Rob. 8; (io) A. flavo-clypeata Syn. 8; (ii) A. rugosa Rob. 6; (I2) A. forbesii Rob. Y; (I3) Agapostemon radiatus Say Y; (I4) Augochlora pura Say Y; (I5) Halictus arcuatus Rob. ?; (i6) H. forbesii Rob. Y; (I7) H. coriaceus Sm. ?; (i8) I-H. lerouxii Lep. ?, ab.; (iv) H. fasciatus Nyl. o; (2o) H. confusus Sm. ?; (2I) H. pruinosus Rob. W; (22) Sphecodes arvensis Pttn. Y; (23) Colletes inaequalis Say S?, ab.; Ic/hneUmoudidC.e (24) Ichneumon funestus Cr.; (25) Colpognathus helvus Cr.: Tce/zrcdi>ndw: (26) Dolerus arvensis Say, ab.; (27) D. bicolor Br., ab.; (28) D. sericeus Say-all s. DIPTERA--SJ/p/iidea.-(29) Syrphus americanus-Wd.; (30) Sphaerophoria cylindrica Say; (3I) Eristalis aeneus F.; (32) E. dimidiatus Wd., 7-Vol. XXI.-No. 2. This content downloaded from 128.083.063.020 on August 01, 2016 06:24:49 AM All use subject to University of Chicago Press Terms and Conditions (http://www.journals.uchicago.edu/t-an S. purpurea X vimimilis. (Just 11': 483)-(17) Muller, Fertilization of Flowers 524-6. I883. (I8) Heinricher, Beitrage zur Pflanzenteratologie und Blitenmorphologie. Sitzber. d. K. Akad. d. Wissensch. Wien 87: 1883. 8. caprea, androgynous catkins. (Just 11V: 483).-(19) Muller, Die Stellung der Honigbiene in den Blumenwelt III. Deut. Bienenzeit. 39: I57-6i. I883. (Just 11': 476).-(20) Loew, Beobachtungen uiber den Blumenbesuch von Insekten an Freilandpflanzen des botanischen Gartens zu Berlin. Jahrb. bot. Gartens Berlin 3: 82, 274, 276. (I4, 72, 74). I884.-(2I) Warming, Om bygningen og den formodede bestovningsmaade at nogle gr5nlandske blom- This content downloaded from 128.083.063.020 on August 01, 2016 06:24:49 AM All use subject to University of Chicago Press Terms and Conditions (http://www.journals.uchicago.edu/t-an i896.] Flowers and Jnsects. 79 ster. Oversigt over d. K. D. Vidensk. Selsk. Forhandl. 1886: iI6, 13I, 156.-(22) Pax, Salicaceae. Engler u. Prantl. Die nat. Pflanzenfamilien. I4: 33. i887. (Just 161: 563).-(23) Bulman, The bee and the willow. Sci. Gossip 1889: 130.-(24) Kerner, Die Bedeutung der Dichogamie. Oest. bot. Zeitschrift 40: 2-3. I89o.-(25) Kerner, Pflanzenleben 2: 187, 311-12. 1891. Several spp. (Just 17': 532).-(26) Verhoeff, Blurien und Insekten der Insel Norderney. Nova Acta d. Kais. Leop. Carol. Deutsch. Akad. d. Naturf. 61: 63-8. I893. -(27) MacLeod, Over de beviruchting der bloemnen in het Kempisch gedeelte van Vlaanderen. Bot. Jaarboek 6: 129-33, etc. i894. -(28) Loew, Blitenbiologische Floristik des mittleren und n6rdlichen Europa sowie Gr6nlaaids. I894. (IT Spp).-(29) Knuth, Blumen undInsekten aut den Nordfriesischen Inseln 131-2. I894. S. repens.-(30) Weed, Ten New Eiigland blossoms and their insect visitors. 1-17. 1895. S. discolor, visitors, etc. IRIS Tourn.--In this genus we find regular trilateral nototribe flowers. Each sepal, with a stamen and a style-division, is modified into a form which is almost a functional equivalent of a specialized flower such as we find in the Scrophulariaceoe,
doi:10.1086/327302 fatcat:7ef6o5td7jbvvggxchx6jyrrsa