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Fig. 6. Waveform a in Characterization of stridulatory structures and sounds of the larger Mexican pine beetle, Dendroctonus approximatus (Coleoptera: Curculionidae: Scolytinae)

Fig. 6. Waveform a), and spectrogram b) of a male interrupted chirp showing individual syllables within each chirp.

Fig. 5. Waveform a in Characterization of stridulatory structures and sounds of the larger Mexican pine beetle, Dendroctonus approximatus (Coleoptera: Curculionidae: Scolytinae)

Fig. 5. Waveform a), and spectrogram b) of female simple chirp in a disturbance context. The waveform shows the relative amplitude in generic units and the spectrogram shows frequency over time with darker shades indicating higher relative energy.

Fig. 4. Waveform a in Characterization of stridulatory structures and sounds of the larger Mexican pine beetle, Dendroctonus approximatus (Coleoptera: Curculionidae: Scolytinae)

Fig. 4. Waveform a), spectrogram b), and spectral profile c) of male simple chirp in a disturbance context. The waveform shows the relative amplitude in generic units and the spectrogram shows frequency over time with darker shades indicating higher relative energy. The spectral profile was taken at the midpoint of the first chirp, highlighted in a and b.

Fig. 2 in Characterization of stridulatory structures and sounds of the larger Mexican pine beetle, Dendroctonus approximatus (Coleoptera: Curculionidae: Scolytinae)

Fig. 2. File length was measured posteriorly from the most posterior ridge (see lower arrow) up anteriorly to the last well-developed ridge (top arrow). Ridges at the anterior edge become poorly developed (circle) and these were not measured. See Methods for further description.

Fig. 3 in Characterization of stridulatory structures and sounds of the larger Mexican pine beetle, Dendroctonus approximatus (Coleoptera: Curculionidae: Scolytinae)

Fig. 3. Temporal and spectral characteristics assessed for simple chirps made in a disturbance context. Train of individual pulses a), waveform b), and spectrogram c) from sample chirp produced by male in a disturbance context. The peak frequency (3.468 kHz) is noted for the first recorded chirp (occurring at 0.3 s).

Fig. 1 in Characterization of stridulatory structures and sounds of the larger Mexican pine beetle, Dendroctonus approximatus (Coleoptera: Curculionidae: Scolytinae)

Fig. 1. Phloem slide positioned under dissecting scope. The ultrasonic electronic insertion microphone is shown positioned in the center of the slide (see circle), inserted into the tunnel entrance. A small piezo transducer, shown at the far end of the phloem slide, was not used in recordings for this study.

Fig. 4 in Seasonal and spatial dispersal patterns of select ambrosia beetles (Coleoptera: Curculionidae) from forest habitats into production nurseries

Fig. 4. Mean (± SE) captures of Cnestus mutilatus, Xylosandrus compactus, X. cra`ssiusculus, and X. germanus in ethanol-baited Baker traps deployed at various distances from the nursery–forest interface at 2 sites in South Carolina in 2011 and 2012.

Fig. 3 in Seasonal and spatial dispersal patterns of select ambrosia beetles (Coleoptera: Curculionidae) from forest habitats into production nurseries

Fig. 3. Mean captures of Cnestus mutilatus, Xylosandrus compactus, X. crassiusculus, and X. germanus in ethanol-baited Baker traps at 2 sites in Louisiana and Mississippi in 2013 and 2014.

Fig. 4 in Temperature-dependent development of Xyleborus glabratus (Coleoptera: Curculionidae: Scolytinae)

Fig. 4. Mean ± SE number of teneral adults per 5 galleries per log encountered every other day in the avocado logs at 4 constant temperatures.

Fig. 1 in Seasonal and spatial dispersal patterns of select ambrosia beetles (Coleoptera: Curculionidae) from forest habitats into production nurseries

Fig. 1. Satellite image of the Mississippi research site (Google, Mountain View, California, USA) with an overlay showing a randomized complete block design of 5 blocks. Representing the 2013 test, each block shown here had a trap placed at −25, 25, 50, 100, and 200 m from the nursery–forest interface.

Fig. 3 in Temperature-dependent development of Xyleborus glabratus (Coleoptera: Curculionidae: Scolytinae)

Fig. 3. Mean ± SE number of pupae per 5 galleries per log encountered every other day in the avocado logs at 4 constant temperatures.

Fig. 1 in Temperature-dependent development of Xyleborus glabratus (Coleoptera: Curculionidae: Scolytinae)

Fig. 1. Mean ± SE number of eggs per 5 galleries per log observed every other day in the avocado logs at 4 constant temperatures.

Fig. 5 in Seasonal and spatial dispersal patterns of select ambrosia beetles (Coleoptera: Curculionidae) from forest habitats into production nurseries

Fig. 5. Mean (± SE) captures of Cnestus mutilatus, Xylosandrus compactus, X. crassiusculus, and X. germanus in ethanol-baited Baker traps deployed at various distances from the nursery–forest interface at 2 sites in Louisiana and Mississippi in 2013 and 2014.

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Fig. 2 in A mysterious wing spine in male coffee berry borers (Coleoptera: Curculionidae: Scolytinae)

Fig. 2. Low temperature-scanning electron microscope photographs showing the wing spine in three lef wings (a, b, c), and a detail of the spine (d).

opencc-by-4.0Mar 2016View details →

Fig. 1. Cylindrocopturus species associated with Opuntia. A in Cylindrocopturus (Coleoptera: Curculionidae: Conoderinae) species associated with Opuntia (Caryophyllales: Cactaceae) species

Fig. 1. Cylindrocopturus species associated with Opuntia. A) Cylindrocopturus biradiatus, lateral view; B) C. biradiatus, dorsal view; C) C. ganglbaueri, lateral view; D) C. ganglbaueri, dorsal view; E) C. biradiatus, aedeagus; F) C. ganglbaueri, aedeagus.

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Fig. 1. A in Monitoring coffee berry borer, Hypothenemus hampei (Coleoptera: Curculionidae), populations with alcoholbaited funnel traps in coffee farms in Colombia

Fig. 1. A red funnel trap used to capture CBB (Hypothenemus hampei) (A) and the methanol–ethanol lure (3: 1 ratio) enclosed in a semi-permeable membrane (B). CBB were collected in a plastic container containing 200 mL of soapy water. Photo Alex. E. Bustillo.

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Fig. 2 in Monitoring coffee berry borer, Hypothenemus hampei (Coleoptera: Curculionidae), populations with alcoholbaited funnel traps in coffee farms in Colombia

Fig. 2. Number of CBB (Hypothenemus hampei) captured per trap per month (mean ± SEM) and corresponding berry infestation (%) on large coffee farms (≥ 20 ha) in Risaralda, Caldas, Colombia (A), and on small coffee farms (≤ 3 ha) in Viterbo, Caldas, Colombia (B) in 2003-2004. Note differences in axis scales.

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Fig. 19 in Revisione tassonomica delle specie del gruppo di Leiosoma cribrum (Coleoptera: Curculionidae: Molytinae)

Fig. 19 - Carta delle località tipiche delle 4 nuove specie descritte: 1) L. diottii n.sp.; 2) L. komovicum n.sp.; 3) L. kostali n.sp.; 4) L. senex n.sp.

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Figg. 6-14 in Revisione tassonomica delle specie del gruppo di Leiosoma cribrum (Coleoptera: Curculionidae: Molytinae)

Figg. 6-14 - Leiosoma concinnum. Habitus del lectotypus: 6) in visione dorsale; 7) in visione laterale. 8) Cartellino originario del lectotypus. 9) Habitus (paralectotypus) in visione dorsale. 10) Paralectotypus in visione laterale. 11) Rostro del paralectotypus di L. concinnum. 12) Cartellino originario del paralectotypus. 13) Habitus in visione dorsale dell'esemplare raccolto al Vaio dell'Anguilla (Monti Lessini, VR), sul quale è stata fatta la ridescrizione della specie. 14) Edeago in visione dorsale.