Pyrellina Malloch, 1923

Nihei, Silvio Shigueo & Carvalho, Claudio José Barros De, 2009, The Muscini flies of the world (Diptera, Muscidae): identification key and generic diagnoses, Zootaxa 1976, pp. 1-24 : 19-20

Pyrellina Malloch, 1923

Pyrellina Malloch, 1923: 525 . Type species: Lucilia inventrix Walker, 1861 .

Diagnosis. Colouration metallic violaceous-blue; wing without maculae. Female with proclinate frontoorbital seta; parafrons setulose; interfrontal seta absent. Dorsocentrals 2+4 (but 0+ 2 in P. b i c o l o r (Stein)). Posthumeral, parahumeral and presutural developed; postsutural intra-alars 2; intrapostalar present. Prosternum setulose. Katepisternals 1+3. Meron setulose. Wing with the apical portion of stem-vein setulose or not on both dorsal and ventral faces; R1 setulose or bare dorsally, and setulose ventrally; Rs node and R4+5 setulose dorsally and ventrally; M setulose ventrally between r-m and dm-cu crossveins, and bent forward towards R4+5. Lower calypter glossiform. Subcostal sclerite bare. Mid tibia with a strong submedian seta on ventral to posteroventral surface ( Fig. 15 ). Calcar strong. First abdominal sternite widely setulose.

Distribution (12 species). Afrotropical.

References. Curran (1935), Peris (1967), Zielke (1971).

Figures

FIGURES 15 – 18. Apex of mid femur and tibia: 15. Pyrellina distinct (Walker), female, posterior view. 16. Biopyrellia bipuncta, male, posterior view. 17. Morellia (Parapyrellia) maculipennis (Macquart), male, anterior view. 18. Morellia podagrica, male, posterior view. Figures 15 – 18 after Nihei and de Carvalho (2007 a). All figures on same scale.