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Figs. 17–22 in Mating behavior and description of immature stages of Cyclocephala melanocephala (Fabricius, 1775) (Coleoptera: Scarabaeidae: Dynastinae), identification key and remarks on known immatures of Cyclocephalini species

Figs. 17–22. Cyclocephala melanocephala, third instar larva; 17–19, right mandible (ventral, internal, dorsal); left mandible (dorsal, internal, ventral). Scale = 0.5 mm.

Figs. 15–16 in Mating behavior and description of immature stages of Cyclocephala melanocephala (Fabricius, 1775) (Coleoptera: Scarabaeidae: Dynastinae), identification key and remarks on known immatures of Cyclocephalini species

Figs. 15–16. Cyclocephala melanocephala, third instar larva; 15, epipharynx; 16, cibarium. aca, anterior most acanthoparia seta; acr, lateroposterior acroparia seta; crp, right part of crepis; lip, ligular tubercle-like process; ppa, posterior preoral area. Scale = 0.5 mm.

Figs. 5–6 in Mating behavior and description of immature stages of Cyclocephala melanocephala (Fabricius, 1775) (Coleoptera: Scarabaeidae: Dynastinae), identification key and remarks on known immatures of Cyclocephalini species

Figs. 5–6. Cyclocephala melanocephala, third instar larva; 5, lateral; 6, head, dorsal. t10, abdominal tergite X; usb, U-shaped sclerotized bar. Scale = 1 mm.

Figs. 1–4 in Mating behavior and description of immature stages of Cyclocephala melanocephala (Fabricius, 1775) (Coleoptera: Scarabaeidae: Dynastinae), identification key and remarks on known immatures of Cyclocephalini species

Figs. 1–4. Cyclocephala melanocephala, adult; 1, 2, habitus (male, female); 3, 4, protibia and tarsus (male, female). Scale: 1, 2 = 5 mm; 3, 4 = 1 mm.

Fig. 4 in Flight patterns and sex ratio of beetles of the subfamily Dynastinae (Coleoptera, Melolonthidae)

Fig. 4. Circular histogram showing peak flight activity of: (A) Cyclocephala cearae; (B) C. distincta; (C) Dyscinetus dubius; (D) Stenocrates holomelanus; (E) C. paraguayensis; (F) Ligyrus (Ligyrus) cuniculus, during one year of collection using light trap at Campo de Instrução Marechal Newton Cavalcanti, Abreu e Lima, PE, Brazil. Black line = mean vector and confidence interval.

Fig. 3 in Flight patterns and sex ratio of beetles of the subfamily Dynastinae (Coleoptera, Melolonthidae)

Fig. 3. Rainfall effect in the most abundant tribes of Dynastinae (Melolonthidae), during one year of collection using light trap at Campo de Instrução Marechal Newton Cavalcanti, Abreu e Lima, PE, Brazil: (A) Mean abundance of Cyclocephalini beetles, recorded monthly, between December 2010 and November 2011 (except April 2011). (B) Mean abundance of Pentodontini beetles, recorded monthly, between December 2010 and November 2011 (except April 2011). (C) Rainfall, recorded monthly, between December 2010 and November 2011 (except April 2011).

Fig. 1 in Flight patterns and sex ratio of beetles of the subfamily Dynastinae (Coleoptera, Melolonthidae)

Fig. 1. Map showing sampling site: (A) Pernambuco State represented in black. (B) Black dot representing Campo de Instrução Marechal Newton Cavalcanti, Abreu e Lima, Pernambuco, Brazil. (C) Black dot representing sampling site at Marechal Newton Cavalcanti, Abreu e Lima, Pernambuco, Brazil.

Fig. 2 in Flight patterns and sex ratio of beetles of the subfamily Dynastinae (Coleoptera, Melolonthidae)

Fig. 2. Light trap model used for beetle sampling: (A) Black light bulb. (B) Mixed mercury bulb. (C) Light support.

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Figures 3a-c in Bioacoustic study of a sound produced with forced air by larvae of Phileurus didymus (Linnaeus) (Coleoptera: Scarabaeidae: Dynastinae: Phileurini)

Figures 3a-c. Oscillograms of acoustic patterns of Phileurus didymus. (a) Larvae Non-constant, semirepeating short pulses, note that interpulses (space between pulses) vary. (b) Slightly repetitive pulses with variable sequences (the interpulses varies a little). (c) Short pulses with long duration pulses.

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Figures 2a-d in Bioacoustic study of a sound produced with forced air by larvae of Phileurus didymus (Linnaeus) (Coleoptera: Scarabaeidae: Dynastinae: Phileurini)

Figures 2a-d. Techniques for the observation of responses of the larvae to different disturbances. a) Disturbance with a wooden rod. b) Direct disturbance to the container. c) Response to disturbance close to the larva (Larva-larva interaction). d) Open-air exposure of larvae.

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Figs. 3–4 in A Review of the Genus Colacus Ohaus, 1910 (Coleoptera: Scarabaeidae: Dynastinae: Agaocephalini) with Description of a New Species from Peru

Figs. 3–4. Colacus cuchimilco, new species, parameres.

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Fig. 6 in A New Species of Megaceras Hope, 1837 (Coleoptera: Scarabaeidae: Dynastinae: Oryctini) from Peru

Fig. 6. Location of Oxapampa in Peru, the type

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Figs. 1–2 in A New Species of Megaceras Hope, 1837 (Coleoptera: Scarabaeidae: Dynastinae: Oryctini) from Peru

Figs. 1–2. Holotype of Megaceras sarecagem, new species. 1) Dorsal view; 2) Lateral view.

Figs. 14–17. Cyclocephala modesta. 14 in The Dynastine Scarab Beetles (Coleoptera: Scarabaeidae: Dynastinae) of Chile

Figs. 14–17. Cyclocephala modesta. 14) Male; 15) Female; 16) Parameres; 17) Distribution.

Figs. 10–13. Ancognatha aymara. 10 in The Dynastine Scarab Beetles (Coleoptera: Scarabaeidae: Dynastinae) of Chile

Figs. 10–13. Ancognatha aymara. 10) Male; 11) Female; 12) Parameres; 13) Distribution.

Figs. 62–63 in The Dynastine Scarab Beetles (Coleoptera: Scarabaeidae: Dynastinae) of Chile

Figs. 62–63. Male Golofa pelagon, dorsal and dorsolateral views, respectively.

Figs. 23–25. Tomarus maimon. 23 in The Dynastine Scarab Beetles (Coleoptera: Scarabaeidae: Dynastinae) of Chile

Figs. 23–25. Tomarus maimon. 23) Habitus; 24) Parameres; 25) Distribution.

Fig. 22 in The Dynastine Scarab Beetles (Coleoptera: Scarabaeidae: Dynastinae) of Chile

Fig. 22. Ligyrus villosus. Photograph by Patrich Cerpa, Santiago, Chile.

Figs. 30–33. Archophileurus chaconus. 30 in The Dynastine Scarab Beetles (Coleoptera: Scarabaeidae: Dynastinae) of Chile

Figs. 30–33. Archophileurus chaconus. 30) Male; 31) Female; 32) Parameres; 33) Distribution.