Dysmicoccus boninsis ( Kuwana, 1909 )

Caballero, Alejandro, Ramos-Portilla, Andrea Amalia & Kondo, Takumasa, 2017, Scale insects (Hemiptera: Coccomorpha) on sugarcane in Colombia, with description of a new species of Tillancoccus Ben-Dov (Coccidae), Zootaxa 4258 (5), pp. 490-500: 496-497

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Dysmicoccus boninsis ( Kuwana, 1909 )


Dysmicoccus boninsis ( Kuwana, 1909)  

Hosts. Polyphagous, known to feed on 39 species belonging to ten plant families ( García Morales et al. 2016). In Colombia, D. boninsis   has been previously recorded feeding on stems of sugarcane. In this study, this species was found for the first time feeding on the roots of sugarcane.

Diagnosis. Dorsum: numerous oral collar tubular ducts present; with only 8 or 9 pairs of cerarii, each containing 2 enlarged setae. Venter: multilocular disc pores present on the fifth and posterior abdominal segments; translucent pores present on hind coxa and a few on the hind tibia; circulus normally notched at each side and divided by an intersegmental line, but sometimes small and oval (Williams & Granara de Willink 1992).

Distribution. Cosmopolitan. In Colombia, it has been previously recorded from the departments of Antioquia, Caldas, Cauca, Nariño, Norte de Santander, Quindío, Santander, Tolima and Valle del Cauca ( Kondo et al. 2008). Here it is recorded for the first time from the department of Caquetá.

Economic importance and control. The gray sugarcane mealybug has been recorded from a wide range of grasses, as well as host plants from other families. On sugarcane, this species has been generally recorded as a minor   pest but, when attended by ants, it may kill young shoots ( Bartlett 1978). Kondo et al. (2008) recorded eight ant species associated with D. boninsis   in Colombia: Brachymyrmex   sp., Crematogaster   sp., Ectatoma ruidum Roger, Linepithema   sp., Neilanderia sp., Solenopsis   sp., Pheidole   sp. and Wasmania auropunctata Roger.   Dysmicoccus boninsis   is not considered a pest of sugarcane in Colombia ( Lastra & Gómez 2000, Bustillo 2013).

Material studied. COLOMBIA: Antioquia, Medellín , 1560 m a.s.l., 25.iii.2010, 5 ♀, UNAB voucher N° 843   ; Boyacá: Togui, Vda. Garibal, Fca El Milagro , 1664 m a.s.l., 05°55′00″N, 73°30′54″W, 23.iii.2012, coll. H. Matheus, 9 ♀, UNAB voucher N° 843 GoogleMaps   ; Caquetá: Florencia , Vda. La Carbona, 674 m a.s.l., 01°42′01″N, 75°02′26″W, 12.x.2013, coll. J. Silva, tended by Crematogaster   sp. ( Formicidae   ) and Wasmannia auropunctata   ( Formicidae   ), 1 ♀, UNAB voucher N° 843; Florencia, Vda. Avenida Sebastopol, 826 m a.s.l., 01°44′57″N, 75°39′13″W, 13.x.2013, coll. J. Silva, tended by Pheidole biconstricta Mayr   ( Formicidae   ), 6 ♀, UNAB voucher N° 843; Florencia, Vda GoogleMaps   . San Luis, 388 m a.s.l., 01°41′01″N, 75°37′42″W, 11.x.2013, coll. E. Rojas, tended by Pheidole   sp. ( Formicidae   ), 4 ♀, UNAB voucher N° 843 GoogleMaps   ; Chocó: Acandí, Sapzurro , 8.i.2005, coll. F. Serna & E. Vergara, 19 ♀, UNAB voucher N° 843   ; Tolima, Coello, Ibagué, San Francisco , 1158 m a.s.l., 04°23′56″N, 75°17′18″W, 13.xii.2005, coll. A. Ramos, 6 ♀, UNAB voucher N° 843. GoogleMaps  

Note. All material collected off stems of S. officinarum   , except for those from Boyacá, which were collected from roots.

Observations. This is the first record of D. boninsis   being associated with Pheidole biconstricta   in Colombia.


Universidad Nacional, Facultad de Agronomia