Comparative morphology and identification key for females of nine Sarcophagidae species (Diptera) with forensic importance in Southern Brazil

The identification of female flesh flies was always considered a difficult task since morphological descriptions and keys for females are rare. Even in a forensic entomology framework, where females play a major role, female flesh flies are usually not identified. In order to fill this gap in Southern Brazil fauna we provide detailed descriptions and key for the female of nine species included in four genera: Microcerella halli (Engel), Oxysarcodexia paulistanensis (Mattos), Oxysarcodexia riograndensis (Lopes), Peckia (Euboettcheria) australis (Townsend), Peckia(Euboettcheria) florencioi (Prado and Fonseca), Peckia (Pattonella) intermutans (Walker), Peckia(Pattonella) resona (Lopes), Peckia (Sarcodexia) lambens (Wiedemann), and Sarcophaga(Bercaea) africa (Wiedemann). These species are distinguished mainly by genital characters as tergite 6 divided or undivided, presence of tergite 8, spermatheca morphology and vaginal plate shape.

Keywords
Forensic entomology; Microcerella ; Oxysarcodexia ; Peckia ; Sarcophaga

Authorship

Karine Pinto e Vairo ^** Corresponding author. E-mail: karine_vairo@yahoo.com.br (K.P.e. Vairo).

Departamento de Zoologia, Universidade Federal do Paraná, Curitiba, PR, BrazilUniversidade Federal do ParanáBrazilCuritiba, PR, BrazilDepartamento de Zoologia, Universidade Federal do Paraná, Curitiba, PR, Brazil

Mauricio Osvaldo Moura

Cátia Antunes de Mello-Patiu

Departamento de Entomologia, Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, BrazilUniversidade Federal do Rio de JaneiroBrazilRio de Janeiro, RJ, BrazilDepartamento de Entomologia, Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil

* Corresponding author. E-mail: karine_vairo@yahoo.com.br (K.P.e. Vairo).

Conflicts of interest

The authors declare no conflicts of interest.

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Figures

Figures (12)

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Fig. 1
General morphology of female terminalia. (A) Oxysarcodexia paulistanensis (pink = tergite 8; green = cercus; yellow = hypoproct; blue = vaginal plate; dark red = spiracle 6; dark green = spiracle 7. (B) Peckia (Euboettcheria) florencioi (orange = epiproct). (C) Microcerella halli (light yellow = sternite 5; light green = sternite 6; light pink = sternites 7 + 8).

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Fig. 2
External female morphology of Oxysarcodexia paulistanensis. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 1 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view; scale: 1 mm.

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Fig. 3
External female morphology of Oxysarcodexia riograndensis. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 1 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view; scale: 1 mm.

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Fig. 4
External female morphology of Peckia(Pattonella) intermutans. (A) Habitus, lateral view; scale: 1 mm; (B) abdomen, dorsal view; scale: 2 mm; (C) abdominal terminal segments, ventral view; scale: 1 mm; (D) abdomen, ventral view; scale: 2 mm.

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Fig. 5
External female morphology of Peckia(Pattonella) resona. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 2 mm; (C) abdominal terminal segments, ventral view; scale: 1 mm; (D) abdomen, ventral view; scale: 2 mm.

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Fig. 6
External female morphology of Peckia(Euboettcheria) australis. (A) Habitus, lateral view; scales: 2 mm; (B) abdomen, dorsal view; scale: 2 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view; scale: 1 mm.

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Fig. 7
External female morphology of Peckia(Euboettcheria) florencioi. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 1 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view, scale: 1 mm.

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Fig. 8
External female morphology of Peckia(Sarcodexia) lambens. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 1 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view; scale: 1 mm.

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Fig. 9
External female morphology of Microcerella halli. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 2 mm; (C) abdominal terminal segments, ventral view; scale: 1 mm; (D) abdomen, ventral view; scale: 1 mm.

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Fig. 10
External female morphology of Sarcophaga(Bercaea) africa. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 2 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view; scale: 1 mm.

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Fig. 11
Female terminalia. (A) Oxysarcodexia paulistanensis(sternites 1–4 omitted); (B) Oxysarcodexia riograndensis(sternites 1–4 omitted); (C) Peckia(Pattonella) resona (sternites 1–4 omitted); (D) Peckia (Euboettcheria) florencioi (sternites 1–4 omitted); (E) Peckia (Sarcodexia) lambens (sternites 1–4 omitted); (F) Microcerella halli (sternites 1–4 omitted); (G) Peckia (Pattonella) intermutans (tergite 6 and sternite 1 omitted); (H) Peckia (Euboettcheria) australis; (I) Sarcophaga(Bercaea) africa (sternite 1 omitted). Scales: 1 mm.

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Fig. 12
Spermathecae. (A) Oxysarcodexia paulistanensis, lateral view; scale: 0.05 mm; (B) Oxysarcodexia riograndensis, lateral view; scale: 0.05 mm; (C) Peckia(Pattonella) intermutans, lateral view; scale: 0.05 mm; (D) Peckia(Pattonella) resona, lateral view; scale: 0.05 mm; (E) Peckia (Euboettcheria) australis, lateral view; scale: 0.05 mm; (F) Peckia (Euboettcheria) florencioi, ventral view; scale: 0.05 mm; (G) Peckia (Sarcodexia) lambens, ventral view; scale: 0.05 mm; (H) Microcerella halli, lateral view; scale: 0.1 mm; (I) Sarcophaga (Bercaea) africa, lateral view; scale: 0.05 mm.

Fig. 1 General morphology of female terminalia. (A) Oxysarcodexia paulistanensis (pink = tergite 8; green = cercus; yellow = hypoproct; blue = vaginal plate; dark red = spiracle 6; dark green = spiracle 7. (B) Peckia (Euboettcheria) florencioi (orange = epiproct). (C) Microcerella halli (light yellow = sternite 5; light green = sternite 6; light pink = sternites 7 + 8).

Fig. 2 External female morphology of Oxysarcodexia paulistanensis. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 1 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view; scale: 1 mm.

Fig. 3 External female morphology of Oxysarcodexia riograndensis. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 1 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view; scale: 1 mm.

Fig. 4 External female morphology of Peckia(Pattonella) intermutans. (A) Habitus, lateral view; scale: 1 mm; (B) abdomen, dorsal view; scale: 2 mm; (C) abdominal terminal segments, ventral view; scale: 1 mm; (D) abdomen, ventral view; scale: 2 mm.

Fig. 5 External female morphology of Peckia(Pattonella) resona. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 2 mm; (C) abdominal terminal segments, ventral view; scale: 1 mm; (D) abdomen, ventral view; scale: 2 mm.

Fig. 6 External female morphology of Peckia(Euboettcheria) australis. (A) Habitus, lateral view; scales: 2 mm; (B) abdomen, dorsal view; scale: 2 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view; scale: 1 mm.

Fig. 7 External female morphology of Peckia(Euboettcheria) florencioi. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 1 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view, scale: 1 mm.

Fig. 8 External female morphology of Peckia(Sarcodexia) lambens. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 1 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view; scale: 1 mm.

Fig. 9 External female morphology of Microcerella halli. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 2 mm; (C) abdominal terminal segments, ventral view; scale: 1 mm; (D) abdomen, ventral view; scale: 1 mm.

Fig. 10 External female morphology of Sarcophaga(Bercaea) africa. (A) Habitus, lateral view; scale: 2 mm; (B) abdomen, dorsal view; scale: 2 mm; (C) abdominal terminal segments, ventral view; scale: 0.5 mm; (D) abdomen, ventral view; scale: 1 mm.

Fig. 11 Female terminalia. (A) Oxysarcodexia paulistanensis(sternites 1–4 omitted); (B) Oxysarcodexia riograndensis(sternites 1–4 omitted); (C) Peckia(Pattonella) resona (sternites 1–4 omitted); (D) Peckia (Euboettcheria) florencioi (sternites 1–4 omitted); (E) Peckia (Sarcodexia) lambens (sternites 1–4 omitted); (F) Microcerella halli (sternites 1–4 omitted); (G) Peckia (Pattonella) intermutans (tergite 6 and sternite 1 omitted); (H) Peckia (Euboettcheria) australis; (I) Sarcophaga(Bercaea) africa (sternite 1 omitted). Scales: 1 mm.

Fig. 12 Spermathecae. (A) Oxysarcodexia paulistanensis, lateral view; scale: 0.05 mm; (B) Oxysarcodexia riograndensis, lateral view; scale: 0.05 mm; (C) Peckia(Pattonella) intermutans, lateral view; scale: 0.05 mm; (D) Peckia(Pattonella) resona, lateral view; scale: 0.05 mm; (E) Peckia (Euboettcheria) australis, lateral view; scale: 0.05 mm; (F) Peckia (Euboettcheria) florencioi, ventral view; scale: 0.05 mm; (G) Peckia (Sarcodexia) lambens, ventral view; scale: 0.05 mm; (H) Microcerella halli, lateral view; scale: 0.1 mm; (I) Sarcophaga (Bercaea) africa, lateral view; scale: 0.05 mm.

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Métricas

Comparative morphology and identification key for females of nine Sarcophagidae species (Diptera) with forensic importance in Southern Brazil

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[1] * Corresponding author. E-mail: karine_vairo@yahoo.com.br (K.P.e. Vairo).