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3,093 results for “Nearctic”

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Figs 18–23 in Nearctic Anthomyzidae: a monograph of Anthomyza and allied genera (Diptera)

Figs 18–23. Anthomyza gracilis Fallén, 1823, morphology of male (Czech Republic). 18 – hypandrial complex, ventrally; 19 – the same, laterally; 20 – transandrium, caudally; 21 – ventral appendage of caudal process, ventrally; 22 – aedeagal complex, laterally; 23 – gonostylus, widest extension view. Scales = 0.05 mm (Fig. 23) and 0.1 mm (others). Adapted from ROHÁĆEK (2006a: Figs 43–48). For abbreviations see p. 11.

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Figs 4–6 in Nearctic Anthomyzidae: a monograph of Anthomyza and allied genera (Diptera)

Figs 4–6. Anthomyza gracilis Fallén, 1823, morphology of male (Czech Republic). 4 – chaetotaxy of head and thorax, dorsally; 5 – general habitus, dorsally; 6 – chaetotaxy of head, laterally. Scale = 0.5 mm. Adapted from ROHÁĆEK (2006a: Figs 26–28). For abbreviations see p. 11.

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Figs 7–10 in Nearctic Anthomyzidae: a monograph of Anthomyza and allied genera (Diptera)

Figs 7–10. Anthomyza gracilis Fallén, 1823, morphology of male (Czech Republic). 7 – fore leg posteriorly; 8 – mid leg without coxa, anteriorly; 9 – hind leg without coxa, anteriorly; 10 – thorax laterally. Scales = 0.2 mm. Adapted from Roháček (2006a: Figs 29–32). For abbreviations see p. 11.

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Fig. 1 in Nearctic Anthomyzidae: a monograph of Anthomyza and allied genera (Diptera)

Fig. 1. Anthomyza dichroa sp. nov., male, general habitus (Canada: Ontario: Sault Ste. Marie, Bristol Place Park), body length ca. 2.5 mm. Based on photograph by J. Roháček.

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Figs 437–440 in Nearctic Anthomyzidae: a monograph of Anthomyza and allied genera (Diptera)

Figs 437–440. Wings of the Nearctic species of the Anthomyza neglecta group. 437 – A. variegata (Loew, 1863) male, wing length 2.4 mm (USA: Tennessee); 438 – A. dichroa sp. nov., male, wing length 2.5 mm (Canada: Ontario); 439 – A. gibbiger sp. nov., male, wing length 2.3 mm (Canada: Ontario); 440 – A. orthogibbus sp. nov., male, wing length 2.5 mm (Canada: Ontario). Photo by K. N. Barber.

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Fig. 605 in Nearctic Anthomyzidae: a monograph of Anthomyza and allied genera (Diptera)

Fig. 605. Cladogram presenting the hypothesis of relationships within the genus Anthomyza. Numbers below and/or above branches refer to apomorphic states of characters, those with 1, 2 or 3 in parentheses to states of transformation series, numbers above branches in italics denote homoplasious characters, and those with (-) reversals of characters, "?" indicates unresolved relationship. For characters mentioned in the cladogram see Appendix (p. 384). Abbreviations of distributions: ENA – E Nearctic, EPA – E Palaearctic, NA – Nearctic, OR – Oriental, PA – Palaearctic, WNA – W Nearctic, WPA – W Palaearctic.

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Fig. 112. T2. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 112. T2. A. Lasioglossum (D.) petrellum (Cockerell, 1903), ♂, with weaker microsculpture and distinct punctures throughout. B. L. (D.) droegei Gibbs, 2009, ♂, with strong microsculpture and obscure punctures towards apical rim. Scale bars: 0.5 mm.

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Fig. 115. Flagellomeres. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 115. Flagellomeres. A. Lasioglossum (D.) festinum sp. nov., ♂, long. B. L. (D.) imbriumbrae sp. nov., ♂, short. Scale bars: 1 mm. Arrows indicate relative lengths of F1 and F2.

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Fig. 116 in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 116. Metasomal sterna, ♂. A. Lasioglossum (D.) zephyrus (Smith, 1853), with hair concentrated in apicolateral areas of S3–5. B. Typical red-tailed Lasioglossum (Dialictus), with hair evenly distributed and S5 straight. C. L. (D.) hudsoniellum (Cockerell, 1919), with S5 concave.

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Fig. 107 in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 107. Pronotal angle (arrow and outline). A. Lasioglossum (D.) hudsoniellum (Cockerell, 1919), ♀, nearly 90 degrees. B. L. (D.) minckleyi sp. nov., ♀, obtuse. Scale bars: 0.5 mm.

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Fig. 109 in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 109. Pronotal ridge (arrow). A. Lasioglossum (D.) kunzei (Cockerell, 1898), ♀, sharply carinate along full height of pronotum. B. L. (D.) eophilus (Ellis, 1914), ♀, absent. Scale bar: 0.5 mm.

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Fig. 106. Ocellocular area. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 106. Ocellocular area. A. Lasioglossum (D.) clavicorne sp. nov., ♀, sparsely and distinctly punctate. B. L. (D.) clematisellum (Cockerell, 1904), ♀, densely punctate with punctures somewhat obscured by microsculpture. Scale bar: 0.25 mm.

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Fig. 108. Mesepisternum. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 108. Mesepisternum. A. Lasioglossum (D.) eophilus (Ellis, 1914), ♀, entirely rugose. B. L. (D.) mesillense (Cockerell, 1898), ♀, ruguloso-punctate in dorsal half, smooth and distinctly punctate in ventral half. C. L. (D.) imbriumbrae sp. nov., ♀, entirely smooth and distinctly punctate. Scale bars: 0.5 mm.

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Fig. 113. Clypeus. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 113. Clypeus. A. Lasioglossum (D.) miltolepoides sp. nov., ♂, sparsely punctate and entirely metallic. B. L. (D.) arenisaltans sp. nov., ♂, with dense punctures and yellow-orange apical rim. Scale bars: 0.5 mm.

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Fig. 110. Mesoscutum punctures. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 110. Mesoscutum punctures. A. Lasioglossum (D.) vierecki (Crawford, 1904), ♂, all interspaces less than 1 puncture diameter. B. L. (D.) arenisaltans sp. nov., ♂, numerous interspaces of 1 puncture diameter or more. Scale bars: 0.5 mm.

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Fig. 114. T1–3. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 114. T1–3. A. Lasioglossum (D.) cactorum sp. nov., ♂, convex with rims strongly downcurved (arrows). B. L. (D.) clematisellum (Cockerell, 1904), ♂, flat. Scale bars: 1 mm.

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Fig. 105 in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 105. Dark spiracular spots (arrows) on the metasoma. A. Lasioglossum (D.) pictum (Crawford, 1902), ♀, present on T2–4. B. L. (D.) meteorum sp. nov., ♀, present on T3–4 only. Scale bars: 1 mm.

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Fig. 100. Forewings. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 100. Forewings. A. Lasioglossum (D.) pallidellum (Ellis, 1914), ♂, with white hair, pale veins, and hyaline membrane. B. L. (D.) decorum sp. nov., ♀, with dark hair, dark veins, and lightly infuscated membrane. Scale bars: 1 mm.

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Fig. 90. Male genitalia. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 90. Male genitalia. A. Lasioglossum (D.) arenisaltans sp. nov. B. L. (D.) clastipedion sp. nov. C. L. (D.) clematisellum (Cockerell, 1904). D. L. (D.) hudsoniellum (Cockerell, 1919). E. L. (D.) julipile sp. nov. F. L. (D.) lilianae sp. nov. G. L. (D.) mesillense (Cockerell, 1898). H. L. (D.) meteorum sp. nov. I. L. (D.) miltolepoides sp. nov. J. L. (D.) minckleyi sp. nov. K. L. (D.) pallidellum (Ellis, 1914). L. L. (D.) pictum (Crawford, 1902). M. L. (D.) rufornatum sp. nov. N. L. (D.) spivakae sp. nov. O. L. (D.) testaceum (Robertson, 1897). P. L. (D.) vierecki (Crawford, 1904). Q. L. (D.) zephyrus (Smith, 1853). Genitalia are illustrated in dorsal view and positioned such that the gonostylus is parallel to the plane of vision. Retrorse lobes are also illustrated separately to the bottom left of each figure in lateral view, positioned parallel to the plane of vision.

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Fig. 101. Supraclypeal area. A in The 'red-tailed' Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic

Fig. 101. Supraclypeal area. A. Lasioglossum (D.) arenisaltans sp. nov., ♀, mostly tessellate. B. L. (D.) mesillense (Cockerell, 1898), ♀, mostly shiny. Scale bar: 0.25 mm.

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