Skip to main content

Giant shield bug (Pycanum alternatum)

Giant shield bug or pycanum rubens (Pycanum alternatum) is a species of animal in Tessaratomidae, has a large shield covering the back, shiny green-blue-brown colored and appears to have a powder or wax layer, inhabiting the leaves of plants in open forests or bushes .

P. alternatum is also called a stink bug because of its ability to release pungent aromas when disturbed. These insects live solitary with a partner and usually the mother gather in a family together in nymphs.

Dlium Giant shield bug (Pycanum alternatum)

White eggs are attached under the leaves of the plant. Nymphs can be found in the same host as their parent. The nymph has a flat rectangular shape with a large vein in the middle like a flat leaf.

Nymphs having striking colors are light green, orange and red. Color may represent various stages of development or gender. The initial stage has a small size and red color. It grows in a bigger size and turns orange then ends in green.



Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hemiptera
Family: Tessaratomidae
Genus: Pycanum
Species: P. alternatum

Popular Posts

Japanese morning glory (Ipomoea nil)

Japanese morning glory ( Ipomoea nil ) is a species of plant in the Convolvulaceae family, a climber with twining stems that grow up to 5 meters long. The green, finely hairy leaves are 14 cm long, heart-shaped at the base, entire or 3-5-lobed, tapering at the edges. The flowers are funnel-shaped, blue to reddish-purple with a whitish tube, 5 cm wide and up to 7 cm long. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Solanales Family: Convolvulaceae Subfamily: Convolvuloideae Tribe: Ipomoeeae Genus: Ipomoea L. in Sp. Pl.: 159 (1753) Species: Ipomoea nil (L.) Roth in Catal. Bot. 1: 36 (1797) HOMOTYPIC SYNONYMS Convolvuloides triloba Moench in Methodus: 452 (1794) Convolvulus nil L. in Sp. Pl., ed. 2.: 219 (1762) Pharbitis nil (L.) Choisy in Mém. Soc. Phys. Genève 6: 439 (1833 publ. 1834) HETEROTYPIC SYNONYMS Convolvulus caeruleus (Roxb. ex Ker-Gawl.) Spreng. in Syst. Veg., ed. 16. 1: 593 (1824) Convolvulus coelestis G.Forst. in Fl. Ins...

Moist pimpernel (Lindernia dubia)

Moist pimpernel ( Lindernia dubia ) is a species of plant in the Linderniaceae. It is a herbaceous, ground-growing, erect, cylindrical stem with red to light brown color. The leaves are green, oval, up to 10 mm long, up to 7 mm wide, with rounded tips and reddish veins. The flowers are funnel-shaped, bluish-white, with yellow veins. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Lamiales Family: Linderniaceae Genus: Lindernia All. in Auct. Syn. Meth. Stirp. Hort. Regii Taur. 3: 178 (1766) Species: Lindernia dubia (L.) Pennell in Monogr. Acad. Nat. Sci. Philadelphia 1: 141 (1935) Variety: Lindernia dubia var. dubia, Lindernia dubia var. rhizomatosa Pennell ex D.Q.Lewis HOMOTYPIC SYNONYMS Ilysanthes dubia (L.) Barnhart in Bull. Torrey Bot. Club 26: 376 (1899) Ilysanthes gratioloides Benth. in A.P.de Candolle, Prodr. 10: 419 (1846) Gratiola dubia L. in Sp. Pl.: 17 (1753) Limnophila dubia (L.) M.R.Almeida in Fl. Maharashtra 3B: 393 (2001)...

Philippine spinach (Talinum fruticosum)

Philippine spinach ( Talinum fruticosum ) is a species of plant in the Talinaceae family. It is an erect, non-woody herb, growing up to 100 cm tall. The leaves are radially arranged, up to 15 cm long and 5 cm wide, with a large central vein. The surface is smooth, shiny, dark green, and pinnate at the base. The inflorescences are in clusters. The flowers are fan-shaped with five red or white petals, with yellow anthers. Fruit round, up to 5 mm wide. This plant grows wild in colonies on forest floors, agricultural lands, roadsides, and abandoned areas. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Caryophyllales Family: Talinaceae Genus: Talinum Adans. in Fam. Pl. 2: 245, 609 (1763) Species: Talinum fruticosum (L.) Juss. in Gen. Pl.: 312 (1789) HOMOTYPIC SYNONYMS Portulaca fruticosa L. in Syst. Nat., ed. 10. 2 (1759) HETEROTYPIC SYNONYMS Ruelingia triangularis (Jacq.) Ehrh. in Beitr. Naturk. Verw. Wiss. 3 (1788) Calandrinia andrewsii ...