phragma

phragma

one of the parts of the insect skeleton projecting inwards in the dorsal region, which serves for the attachment of muscles and other organs.
References in periodicals archive ?
1); aedeagus with subquadrate broad socle in ventral view, stem slender, elongate and strongly curved upward, slightly expanded laterally on both sides below gonopore, which is oval and apical; dorsal apodeme prominent; phragma bearing a pair of longitudinal membranous leaf-like processes, more sclerotized and bordered with microteeth on posterior margin and small and marginal microsetae along anterior margin (Fig.
furcipennis, by its smaller body size ([male]: 3,00 mm; [female]: 3,75 mm), uniform coloration and some genitalia traits: male with the aedeagus with a wider socle and strongly curved expanded laterally stem and the longer phragma with marginal anterior microsetae; female with VII sternite with a median shallow notch on posterior margin and the brownish spot U-shaped, first valvulae with maculae bigger and more separated on the apicoventral sculpturing area, and the subrectangular first valvifer with the anterior margin slightly curved.
Additional characters of the male genitalia: Aedeagus with slender and rounded socle in ventral view, stem short with a flat and lightly expanded process cephalad on dorsal surface and a ventrally curved sharp apical process; dorsal apodeme little pronounced; round apical gonopore on ventral surface; phragma bearing a pair of short membranous rounded-leaf-like processes, with small slightly sclerotized areas at base with microsetae on anterior margin and microteeth on the opposite margin (Fig.
bellicosus (crustacean), Luidia phragma (echinoderm), Ascidia interrupta (ascidian), Penaeus californiensis (crustacean), Sicyonia penicillata (crustacean), Loliopsis diomedae (mollusc), Obelia plicata (cnidarian), Astropecten armatus (echinoderm), and Argopecten circularis (mollusc; Felix-Pico and Garcia-Dominguez 1993).
De las 12 especies de asteroideos recolectados durante tres campanas oceanograficas con arrastre de red y dragado (Caso 1994), ocho fueron reportadas en las afueras de Punta San Marcial al sur de la Bahia de Loreto: Luidia phragma, Linckia columbiae, Astropecten armatus, Tethyaster canaliculatus, Amphiaster insignis, Narcissia gracilis, Nidorellia armata y Oreaster occidentalis (actualmente Pentaceraster cuminigi).